Finding the Fourth Proportional to 57,665,635,431.48, 86,411,588,105.49 and 51,381,319,463.47

Step by Step Solution

1. Step 1: Write the proportion equation
   57,665,635,431.48 : 86,411,588,105.49 = 51,381,319,463.47 : x
2. Step 2: Convert to fraction form
   57,665,635,431.48/86,411,588,105.49 = 51,381,319,463.47/x
3. Step 3: Cross multiply
   57,665,635,431.48x = 86,411,588,105.49 × 51,381,319,463.47
4. Step 4: Simplify right side
   57,665,635,431.48x = 4,439,941,413,793,812,185,088
5. Step 5: Solve for x
   x = 4,439,941,413,793,812,185,088/57,665,635,431.48
6. Step 6: Final answer
   x = 76,994,580,577.71