Finding the Fourth Proportional to 131,597.02, 197,422.18 and 42,826.69

Step by Step Solution

1. Step 1: Write the proportion equation
   131,597.02 : 197,422.18 = 42,826.69 : x
2. Step 2: Convert to fraction form
   131,597.02/197,422.18 = 42,826.69/x
3. Step 3: Cross multiply
   131,597.02x = 197,422.18 × 42,826.69
4. Step 4: Simplify right side
   131,597.02x = 8,454,938,115.50
5. Step 5: Solve for x
   x = 8,454,938,115.50/131,597.02
6. Step 6: Final answer
   x = 64,248.71