Finding the Fourth Proportional to 103,796.90, 143,240.15 and 58,475.42

Step by Step Solution

1. Step 1: Write the proportion equation
   103,796.90 : 143,240.15 = 58,475.42 : x
2. Step 2: Convert to fraction form
   103,796.90/143,240.15 = 58,475.42/x
3. Step 3: Cross multiply
   103,796.90x = 143,240.15 × 58,475.42
4. Step 4: Simplify right side
   103,796.90x = 8,376,028,167.83
5. Step 5: Solve for x
   x = 8,376,028,167.83/103,796.90
6. Step 6: Final answer
   x = 80,696.33