Finding the Fourth Proportional to 109,182.96, 150,670.72 and 61,436.28

Step by Step Solution

1. Step 1: Write the proportion equation
   109,182.96 : 150,670.72 = 61,436.28 : x
2. Step 2: Convert to fraction form
   109,182.96/150,670.72 = 61,436.28/x
3. Step 3: Cross multiply
   109,182.96x = 150,670.72 × 61,436.28
4. Step 4: Simplify right side
   109,182.96x = 9,256,648,541.72
5. Step 5: Solve for x
   x = 9,256,648,541.72/109,182.96
6. Step 6: Final answer
   x = 84,781.07