Finding the Fourth Proportional to 89,156.30, 133,777.98 and 39,230.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,156.30 : 133,777.98 = 39,230.12 : x
2. Step 2: Convert to fraction form
   89,156.30/133,777.98 = 39,230.12/x
3. Step 3: Cross multiply
   89,156.30x = 133,777.98 × 39,230.12
4. Step 4: Simplify right side
   89,156.30x = 5,248,126,543.20
5. Step 5: Solve for x
   x = 5,248,126,543.20/89,156.30
6. Step 6: Final answer
   x = 58,864.34