Finding the Fourth Proportional to 64,443.95, 96,617.32 and 42,262.91

Step by Step Solution

1. Step 1: Write the proportion equation
   64,443.95 : 96,617.32 = 42,262.91 : x
2. Step 2: Convert to fraction form
   64,443.95/96,617.32 = 42,262.91/x
3. Step 3: Cross multiply
   64,443.95x = 96,617.32 × 42,262.91
4. Step 4: Simplify right side
   64,443.95x = 4,083,329,099.60
5. Step 5: Solve for x
   x = 4,083,329,099.60/64,443.95
6. Step 6: Final answer
   x = 63,362.49