Finding the Fourth Proportional to 155,242.17, 232,826.00 and 42,919.88

Step by Step Solution

1. Step 1: Write the proportion equation
   155,242.17 : 232,826.00 = 42,919.88 : x
2. Step 2: Convert to fraction form
   155,242.17/232,826.00 = 42,919.88/x
3. Step 3: Cross multiply
   155,242.17x = 232,826.00 × 42,919.88
4. Step 4: Simplify right side
   155,242.17x = 9,992,862,602.15
5. Step 5: Solve for x
   x = 9,992,862,602.15/155,242.17
6. Step 6: Final answer
   x = 64,369.51