Finding the Fourth Proportional to 154,707.98, 232,062.12 and 42,389.10

Step by Step Solution

1. Step 1: Write the proportion equation
   154,707.98 : 232,062.12 = 42,389.10 : x
2. Step 2: Convert to fraction form
   154,707.98/232,062.12 = 42,389.10/x
3. Step 3: Cross multiply
   154,707.98x = 232,062.12 × 42,389.10
4. Step 4: Simplify right side
   154,707.98x = 9,836,904,410.89
5. Step 5: Solve for x
   x = 9,836,904,410.89/154,707.98
6. Step 6: Final answer
   x = 63,583.69