Finding the Fourth Proportional to 64,019.88, 96,240.15 and 59,395.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,019.88 : 96,240.15 = 59,395.76 : x
2. Step 2: Convert to fraction form
   64,019.88/96,240.15 = 59,395.76/x
3. Step 3: Cross multiply
   64,019.88x = 96,240.15 × 59,395.76
4. Step 4: Simplify right side
   64,019.88x = 5,716,256,731.46
5. Step 5: Solve for x
   x = 5,716,256,731.46/64,019.88
6. Step 6: Final answer
   x = 89,288.78