Finding the Fourth Proportional to 156,233.48, 215,602.38 and 84,613.59

Step by Step Solution

1. Step 1: Write the proportion equation
   156,233.48 : 215,602.38 = 84,613.59 : x
2. Step 2: Convert to fraction form
   156,233.48/215,602.38 = 84,613.59/x
3. Step 3: Cross multiply
   156,233.48x = 215,602.38 × 84,613.59
4. Step 4: Simplify right side
   156,233.48x = 18,242,891,384.34
5. Step 5: Solve for x
   x = 18,242,891,384.34/156,233.48
6. Step 6: Final answer
   x = 116,766.85