Finding the Fourth Proportional to 131,443.32, 197,164.88 and 31,603.47

Step by Step Solution

1. Step 1: Write the proportion equation
   131,443.32 : 197,164.88 = 31,603.47 : x
2. Step 2: Convert to fraction form
   131,443.32/197,164.88 = 31,603.47/x
3. Step 3: Cross multiply
   131,443.32x = 197,164.88 × 31,603.47
4. Step 4: Simplify right side
   131,443.32x = 6,231,095,432.61
5. Step 5: Solve for x
   x = 6,231,095,432.61/131,443.32
6. Step 6: Final answer
   x = 47,405.19