Finding the Fourth Proportional to 142,798.10, 214,136.43 and 58,500.02

Step by Step Solution

1. Step 1: Write the proportion equation
   142,798.10 : 214,136.43 = 58,500.02 : x
2. Step 2: Convert to fraction form
   142,798.10/214,136.43 = 58,500.02/x
3. Step 3: Cross multiply
   142,798.10x = 214,136.43 × 58,500.02
4. Step 4: Simplify right side
   142,798.10x = 12,526,985,437.73
5. Step 5: Solve for x
   x = 12,526,985,437.73/142,798.10
6. Step 6: Final answer
   x = 87,725.15