Finding the Fourth Proportional to 103,569.62, 142,924.71 and 58,247.59

Step by Step Solution

1. Step 1: Write the proportion equation
   103,569.62 : 142,924.71 = 58,247.59 : x
2. Step 2: Convert to fraction form
   103,569.62/142,924.71 = 58,247.59/x
3. Step 3: Cross multiply
   103,569.62x = 142,924.71 × 58,247.59
4. Step 4: Simplify right side
   103,569.62x = 8,325,019,908.95
5. Step 5: Solve for x
   x = 8,325,019,908.95/103,569.62
6. Step 6: Final answer
   x = 80,380.91