Finding the Fourth Proportional to 113,189.99, 156,215.67 and 67,892.90

Step by Step Solution

1. Step 1: Write the proportion equation
   113,189.99 : 156,215.67 = 67,892.90 : x
2. Step 2: Convert to fraction form
   113,189.99/156,215.67 = 67,892.90/x
3. Step 3: Cross multiply
   113,189.99x = 156,215.67 × 67,892.90
4. Step 4: Simplify right side
   113,189.99x = 10,605,934,861.74
5. Step 5: Solve for x
   x = 10,605,934,861.74/113,189.99
6. Step 6: Final answer
   x = 93,700.29