Finding the Fourth Proportional to 111,572.02, 153,924.87 and 71,275.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,572.02 : 153,924.87 = 71,275.33 : x
2. Step 2: Convert to fraction form
   111,572.02/153,924.87 = 71,275.33/x
3. Step 3: Cross multiply
   111,572.02x = 153,924.87 × 71,275.33
4. Step 4: Simplify right side
   111,572.02x = 10,971,045,904.46
5. Step 5: Solve for x
   x = 10,971,045,904.46/111,572.02
6. Step 6: Final answer
   x = 98,331.52