Finding the Fourth Proportional to 89,026.47, 133,447.43 and 55,669.97

Step by Step Solution

1. Step 1: Write the proportion equation
   89,026.47 : 133,447.43 = 55,669.97 : x
2. Step 2: Convert to fraction form
   89,026.47/133,447.43 = 55,669.97/x
3. Step 3: Cross multiply
   89,026.47x = 133,447.43 × 55,669.97
4. Step 4: Simplify right side
   89,026.47x = 7,429,014,897.47
5. Step 5: Solve for x
   x = 7,429,014,897.47/89,026.47
6. Step 6: Final answer
   x = 83,447.26