Finding the Fourth Proportional to 102,401.08, 141,314.13 and 57,081.94

Step by Step Solution

1. Step 1: Write the proportion equation
   102,401.08 : 141,314.13 = 57,081.94 : x
2. Step 2: Convert to fraction form
   102,401.08/141,314.13 = 57,081.94/x
3. Step 3: Cross multiply
   102,401.08x = 141,314.13 × 57,081.94
4. Step 4: Simplify right side
   102,401.08x = 8,066,484,689.81
5. Step 5: Solve for x
   x = 8,066,484,689.81/102,401.08
6. Step 6: Final answer
   x = 78,773.43