Finding the Fourth Proportional to 107,018.08, 147,683.46 and 61,696.15

Step by Step Solution

1. Step 1: Write the proportion equation
   107,018.08 : 147,683.46 = 61,696.15 : x
2. Step 2: Convert to fraction form
   107,018.08/147,683.46 = 61,696.15/x
3. Step 3: Cross multiply
   107,018.08x = 147,683.46 × 61,696.15
4. Step 4: Simplify right side
   107,018.08x = 9,111,500,900.68
5. Step 5: Solve for x
   x = 9,111,500,900.68/107,018.08
6. Step 6: Final answer
   x = 85,139.83