Finding the Fourth Proportional to 143,359.57, 215,122.28 and 59,104.03

Step by Step Solution

1. Step 1: Write the proportion equation
   143,359.57 : 215,122.28 = 59,104.03 : x
2. Step 2: Convert to fraction form
   143,359.57/215,122.28 = 59,104.03/x
3. Step 3: Cross multiply
   143,359.57x = 215,122.28 × 59,104.03
4. Step 4: Simplify right side
   143,359.57x = 12,714,593,593.28
5. Step 5: Solve for x
   x = 12,714,593,593.28/143,359.57
6. Step 6: Final answer
   x = 88,690.23