Finding the Fourth Proportional to 112,388.13, 168,606.50 and 59,789.97

Step by Step Solution

1. Step 1: Write the proportion equation
   112,388.13 : 168,606.50 = 59,789.97 : x
2. Step 2: Convert to fraction form
   112,388.13/168,606.50 = 59,789.97/x
3. Step 3: Cross multiply
   112,388.13x = 168,606.50 × 59,789.97
4. Step 4: Simplify right side
   112,388.13x = 10,080,977,277.86
5. Step 5: Solve for x
   x = 10,080,977,277.86/112,388.13
6. Step 6: Final answer
   x = 89,697.88