Finding the Fourth Proportional to 64,047.52, 96,085.32 and 19,677.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,047.52 : 96,085.32 = 19,677.61 : x
2. Step 2: Convert to fraction form
   64,047.52/96,085.32 = 19,677.61/x
3. Step 3: Cross multiply
   64,047.52x = 96,085.32 × 19,677.61
4. Step 4: Simplify right side
   64,047.52x = 1,890,729,453.69
5. Step 5: Solve for x
   x = 1,890,729,453.69/64,047.52
6. Step 6: Final answer
   x = 29,520.73