Finding the Fourth Proportional to 102,475.30, 141,419.43 and 59,451.54

Step by Step Solution

1. Step 1: Write the proportion equation
   102,475.30 : 141,419.43 = 59,451.54 : x
2. Step 2: Convert to fraction form
   102,475.30/141,419.43 = 59,451.54/x
3. Step 3: Cross multiply
   102,475.30x = 141,419.43 × 59,451.54
4. Step 4: Simplify right side
   102,475.30x = 8,407,602,899.42
5. Step 5: Solve for x
   x = 8,407,602,899.42/102,475.30
6. Step 6: Final answer
   x = 82,045.17