Finding the Fourth Proportional to 83,215.62, 114,851.25 and 65,445.84

Step by Step Solution

1. Step 1: Write the proportion equation
   83,215.62 : 114,851.25 = 65,445.84 : x
2. Step 2: Convert to fraction form
   83,215.62/114,851.25 = 65,445.84/x
3. Step 3: Cross multiply
   83,215.62x = 114,851.25 × 65,445.84
4. Step 4: Simplify right side
   83,215.62x = 7,516,536,531.30
5. Step 5: Solve for x
   x = 7,516,536,531.30/83,215.62
6. Step 6: Final answer
   x = 90,326.03