Finding the Fourth Proportional to 111,586.59, 153,913.05 and 71,282.46

Step by Step Solution

1. Step 1: Write the proportion equation
   111,586.59 : 153,913.05 = 71,282.46 : x
2. Step 2: Convert to fraction form
   111,586.59/153,913.05 = 71,282.46/x
3. Step 3: Cross multiply
   111,586.59x = 153,913.05 × 71,282.46
4. Step 4: Simplify right side
   111,586.59x = 10,971,300,830.10
5. Step 5: Solve for x
   x = 10,971,300,830.10/111,586.59
6. Step 6: Final answer
   x = 98,320.96