Finding the Fourth Proportional to 107,017.71, 147,684.06 and 61,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   107,017.71 : 147,684.06 = 61,695.50 : x
2. Step 2: Convert to fraction form
   107,017.71/147,684.06 = 61,695.50/x
3. Step 3: Cross multiply
   107,017.71x = 147,684.06 × 61,695.50
4. Step 4: Simplify right side
   107,017.71x = 9,111,441,185.31
5. Step 5: Solve for x
   x = 9,111,441,185.31/107,017.71
6. Step 6: Final answer
   x = 85,139.56