Finding the Fourth Proportional to 107,017.83, 147,683.12 and 61,695.90

Step by Step Solution

1. Step 1: Write the proportion equation
   107,017.83 : 147,683.12 = 61,695.90 : x
2. Step 2: Convert to fraction form
   107,017.83/147,683.12 = 61,695.90/x
3. Step 3: Cross multiply
   107,017.83x = 147,683.12 × 61,695.90
4. Step 4: Simplify right side
   107,017.83x = 9,111,442,694.73
5. Step 5: Solve for x
   x = 9,111,442,694.73/107,017.83
6. Step 6: Final answer
   x = 85,139.48