Finding the Fourth Proportional to 154,947.55, 232,390.72 and 42,598.79

Step by Step Solution

1. Step 1: Write the proportion equation
   154,947.55 : 232,390.72 = 42,598.79 : x
2. Step 2: Convert to fraction form
   154,947.55/232,390.72 = 42,598.79/x
3. Step 3: Cross multiply
   154,947.55x = 232,390.72 × 42,598.79
4. Step 4: Simplify right side
   154,947.55x = 9,899,563,266.23
5. Step 5: Solve for x
   x = 9,899,563,266.23/154,947.55
6. Step 6: Final answer
   x = 63,889.77