Finding the Fourth Proportional to 65,103.32, 89,816.04 and 42,434.04

Step by Step Solution

1. Step 1: Write the proportion equation
   65,103.32 : 89,816.04 = 42,434.04 : x
2. Step 2: Convert to fraction form
   65,103.32/89,816.04 = 42,434.04/x
3. Step 3: Cross multiply
   65,103.32x = 89,816.04 × 42,434.04
4. Step 4: Simplify right side
   65,103.32x = 3,811,257,434.00
5. Step 5: Solve for x
   x = 3,811,257,434.00/65,103.32
6. Step 6: Final answer
   x = 58,541.68