Finding the Fourth Proportional to 112,797.30, 155,649.90 and 65,041.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,797.30 : 155,649.90 = 65,041.42 : x
2. Step 2: Convert to fraction form
   112,797.30/155,649.90 = 65,041.42/x
3. Step 3: Cross multiply
   112,797.30x = 155,649.90 × 65,041.42
4. Step 4: Simplify right side
   112,797.30x = 10,123,690,518.86
5. Step 5: Solve for x
   x = 10,123,690,518.86/112,797.30
6. Step 6: Final answer
   x = 89,751.18