Finding the Fourth Proportional to 109,331.32, 150,874.50 and 61,581.82

Step by Step Solution

1. Step 1: Write the proportion equation
   109,331.32 : 150,874.50 = 61,581.82 : x
2. Step 2: Convert to fraction form
   109,331.32/150,874.50 = 61,581.82/x
3. Step 3: Cross multiply
   109,331.32x = 150,874.50 × 61,581.82
4. Step 4: Simplify right side
   109,331.32x = 9,291,126,301.59
5. Step 5: Solve for x
   x = 9,291,126,301.59/109,331.32
6. Step 6: Final answer
   x = 84,981.38