Finding the Fourth Proportional to 28,484.72, 42,753.89 and 14,454.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,484.72 : 42,753.89 = 14,454.82 : x
2. Step 2: Convert to fraction form
   28,484.72/42,753.89 = 14,454.82/x
3. Step 3: Cross multiply
   28,484.72x = 42,753.89 × 14,454.82
4. Step 4: Simplify right side
   28,484.72x = 617,999,784.25
5. Step 5: Solve for x
   x = 617,999,784.25/28,484.72
6. Step 6: Final answer
   x = 21,695.83