Finding the Fourth Proportional to 111,088.37, 153,298.15 and 63,357.09

Step by Step Solution

1. Step 1: Write the proportion equation
   111,088.37 : 153,298.15 = 63,357.09 : x
2. Step 2: Convert to fraction form
   111,088.37/153,298.15 = 63,357.09/x
3. Step 3: Cross multiply
   111,088.37x = 153,298.15 × 63,357.09
4. Step 4: Simplify right side
   111,088.37x = 9,712,524,686.38
5. Step 5: Solve for x
   x = 9,712,524,686.38/111,088.37
6. Step 6: Final answer
   x = 87,430.62