Finding the Fourth Proportional to 111,554.02, 153,900.03 and 71,257.33

Step by Step Solution

1. Step 1: Write the proportion equation
   111,554.02 : 153,900.03 = 71,257.33 : x
2. Step 2: Convert to fraction form
   111,554.02/153,900.03 = 71,257.33/x
3. Step 3: Cross multiply
   111,554.02x = 153,900.03 × 71,257.33
4. Step 4: Simplify right side
   111,554.02x = 10,966,505,224.72
5. Step 5: Solve for x
   x = 10,966,505,224.72/111,554.02
6. Step 6: Final answer
   x = 98,306.68