Finding the Fourth Proportional to 143,456.04, 215,105.05 and 59,197.05

Step by Step Solution

1. Step 1: Write the proportion equation
   143,456.04 : 215,105.05 = 59,197.05 : x
2. Step 2: Convert to fraction form
   143,456.04/215,105.05 = 59,197.05/x
3. Step 3: Cross multiply
   143,456.04x = 215,105.05 × 59,197.05
4. Step 4: Simplify right side
   143,456.04x = 12,733,584,400.10
5. Step 5: Solve for x
   x = 12,733,584,400.10/143,456.04
6. Step 6: Final answer
   x = 88,762.97