Finding the Fourth Proportional to 45,726.32, 63,123.88 and 34,400.12

Step by Step Solution

1. Step 1: Write the proportion equation
   45,726.32 : 63,123.88 = 34,400.12 : x
2. Step 2: Convert to fraction form
   45,726.32/63,123.88 = 34,400.12/x
3. Step 3: Cross multiply
   45,726.32x = 63,123.88 × 34,400.12
4. Step 4: Simplify right side
   45,726.32x = 2,171,469,046.87
5. Step 5: Solve for x
   x = 2,171,469,046.87/45,726.32
6. Step 6: Final answer
   x = 47,488.38