Finding the Fourth Proportional to 102,475,012.37, 141,418,889.46 and 56,064,204.23

Step by Step Solution

1. Step 1: Write the proportion equation
   102,475,012.37 : 141,418,889.46 = 56,064,204.23 : x
2. Step 2: Convert to fraction form
   102,475,012.37/141,418,889.46 = 56,064,204.23/x
3. Step 3: Cross multiply
   102,475,012.37x = 141,418,889.46 × 56,064,204.23
4. Step 4: Simplify right side
   102,475,012.37x = 7,928,537,499,958,141
5. Step 5: Solve for x
   x = 7,928,537,499,958,141/102,475,012.37
6. Step 6: Final answer
   x = 77,370,446.87