Finding the Fourth Proportional to 92,323, 138,429.08 and 42,340.48

Step by Step Solution

1. Step 1: Write the proportion equation
   92,323 : 138,429.08 = 42,340.48 : x
2. Step 2: Convert to fraction form
   92,323/138,429.08 = 42,340.48/x
3. Step 3: Cross multiply
   92,323x = 138,429.08 × 42,340.48
4. Step 4: Simplify right side
   92,323x = 5,861,153,693.16
5. Step 5: Solve for x
   x = 5,861,153,693.16/92,323
6. Step 6: Final answer
   x = 63,485.30