Finding the Fourth Proportional to 116,158.02, 160,347 and 78,483.30

Step by Step Solution

1. Step 1: Write the proportion equation
   116,158.02 : 160,347 = 78,483.30 : x
2. Step 2: Convert to fraction form
   116,158.02/160,347 = 78,483.30/x
3. Step 3: Cross multiply
   116,158.02x = 160,347 × 78,483.30
4. Step 4: Simplify right side
   116,158.02x = 12,584,561,705.10
5. Step 5: Solve for x
   x = 12,584,561,705.10/116,158.02
6. Step 6: Final answer
   x = 108,340.02