Finding the Fourth Proportional to 96,978.72, 145,535.04 and 63,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96,978.72 : 145,535.04 = 63,714.72 : x
2. Step 2: Convert to fraction form
   96,978.72/145,535.04 = 63,714.72/x
3. Step 3: Cross multiply
   96,978.72x = 145,535.04 × 63,714.72
4. Step 4: Simplify right side
   96,978.72x = 9,272,724,323.79
5. Step 5: Solve for x
   x = 9,272,724,323.79/96,978.72
6. Step 6: Final answer
   x = 95,616.07