Finding the Fourth Proportional to 42,449.69, 63,670.83 and 14,369.13

Step by Step Solution

1. Step 1: Write the proportion equation
   42,449.69 : 63,670.83 = 14,369.13 : x
2. Step 2: Convert to fraction form
   42,449.69/63,670.83 = 14,369.13/x
3. Step 3: Cross multiply
   42,449.69x = 63,670.83 × 14,369.13
4. Step 4: Simplify right side
   42,449.69x = 914,894,433.48
5. Step 5: Solve for x
   x = 914,894,433.48/42,449.69
6. Step 6: Final answer
   x = 21,552.44