Finding the Fourth Proportional to 109,863.04, 151,617 and 62,120.56

Step by Step Solution

1. Step 1: Write the proportion equation
   109,863.04 : 151,617 = 62,120.56 : x
2. Step 2: Convert to fraction form
   109,863.04/151,617 = 62,120.56/x
3. Step 3: Cross multiply
   109,863.04x = 151,617 × 62,120.56
4. Step 4: Simplify right side
   109,863.04x = 9,418,532,945.52
5. Step 5: Solve for x
   x = 9,418,532,945.52/109,863.04
6. Step 6: Final answer
   x = 85,729.77