Finding the Fourth Proportional to 102,401.60, 141,314.81 and 57,082.46

Step by Step Solution

1. Step 1: Write the proportion equation
   102,401.60 : 141,314.81 = 57,082.46 : x
2. Step 2: Convert to fraction form
   102,401.60/141,314.81 = 57,082.46/x
3. Step 3: Cross multiply
   102,401.60x = 141,314.81 × 57,082.46
4. Step 4: Simplify right side
   102,401.60x = 8,066,595,997.25
5. Step 5: Solve for x
   x = 8,066,595,997.25/102,401.60
6. Step 6: Final answer
   x = 78,774.12