Finding the Fourth Proportional to 42,834.66, 64,258.98 and 14,747.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,834.66 : 64,258.98 = 14,747.91 : x
2. Step 2: Convert to fraction form
   42,834.66/64,258.98 = 14,747.91/x
3. Step 3: Cross multiply
   42,834.66x = 64,258.98 × 14,747.91
4. Step 4: Simplify right side
   42,834.66x = 947,685,653.73
5. Step 5: Solve for x
   x = 947,685,653.73/42,834.66
6. Step 6: Final answer
   x = 22,124.27