Finding the Fourth Proportional to 64,617.32, 96,901.38 and 42,424.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,617.32 : 96,901.38 = 42,424.76 : x
2. Step 2: Convert to fraction form
   64,617.32/96,901.38 = 42,424.76/x
3. Step 3: Cross multiply
   64,617.32x = 96,901.38 × 42,424.76
4. Step 4: Simplify right side
   64,617.32x = 4,111,017,790.17
5. Step 5: Solve for x
   x = 4,111,017,790.17/64,617.32
6. Step 6: Final answer
   x = 63,620.99