Finding the Fourth Proportional to 142,602.30, 214,113.72 and 79,545.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,602.30 : 214,113.72 = 79,545.62 : x
2. Step 2: Convert to fraction form
   142,602.30/214,113.72 = 79,545.62/x
3. Step 3: Cross multiply
   142,602.30x = 214,113.72 × 79,545.62
4. Step 4: Simplify right side
   142,602.30x = 17,031,808,607.91
5. Step 5: Solve for x
   x = 17,031,808,607.91/142,602.30
6. Step 6: Final answer
   x = 119,435.72