Finding the Fourth Proportional to 111,947.10, 168,115.05 and 59,459.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,947.10 : 168,115.05 = 59,459.10 : x
2. Step 2: Convert to fraction form
   111,947.10/168,115.05 = 59,459.10/x
3. Step 3: Cross multiply
   111,947.10x = 168,115.05 × 59,459.10
4. Step 4: Simplify right side
   111,947.10x = 9,995,969,569.46
5. Step 5: Solve for x
   x = 9,995,969,569.46/111,947.10
6. Step 6: Final answer
   x = 89,291.90