Finding the Fourth Proportional to 65,073.30, 89,803.24 and 42,426.92

Step by Step Solution

1. Step 1: Write the proportion equation
   65,073.30 : 89,803.24 = 42,426.92 : x
2. Step 2: Convert to fraction form
   65,073.30/89,803.24 = 42,426.92/x
3. Step 3: Cross multiply
   65,073.30x = 89,803.24 × 42,426.92
4. Step 4: Simplify right side
   65,073.30x = 3,810,074,879.22
5. Step 5: Solve for x
   x = 3,810,074,879.22/65,073.30
6. Step 6: Final answer
   x = 58,550.51