Finding the Fourth Proportional to 58,658.04, 87,664.86 and 42,896.16

Step by Step Solution

1. Step 1: Write the proportion equation
   58,658.04 : 87,664.86 = 42,896.16 : x
2. Step 2: Convert to fraction form
   58,658.04/87,664.86 = 42,896.16/x
3. Step 3: Cross multiply
   58,658.04x = 87,664.86 × 42,896.16
4. Step 4: Simplify right side
   58,658.04x = 3,760,485,860.94
5. Step 5: Solve for x
   x = 3,760,485,860.94/58,658.04
6. Step 6: Final answer
   x = 64,108.62