Finding the Fourth Proportional to 70,151.55, 96,612.33 and 65,648.96

Step by Step Solution

1. Step 1: Write the proportion equation
   70,151.55 : 96,612.33 = 65,648.96 : x
2. Step 2: Convert to fraction form
   70,151.55/96,612.33 = 65,648.96/x
3. Step 3: Cross multiply
   70,151.55x = 96,612.33 × 65,648.96
4. Step 4: Simplify right side
   70,151.55x = 6,342,498,743.82
5. Step 5: Solve for x
   x = 6,342,498,743.82/70,151.55
6. Step 6: Final answer
   x = 90,411.39