Finding the Fourth Proportional to 111,564.96, 153,921.63 and 71,301.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,564.96 : 153,921.63 = 71,301.95 : x
2. Step 2: Convert to fraction form
   111,564.96/153,921.63 = 71,301.95/x
3. Step 3: Cross multiply
   111,564.96x = 153,921.63 × 71,301.95
4. Step 4: Simplify right side
   111,564.96x = 10,974,913,106.43
5. Step 5: Solve for x
   x = 10,974,913,106.43/111,564.96
6. Step 6: Final answer
   x = 98,372.40