Finding the Fourth Proportional to 42,643.86, 63,963.96 and 14,566.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,643.86 : 63,963.96 = 14,566.42 : x
2. Step 2: Convert to fraction form
   42,643.86/63,963.96 = 14,566.42/x
3. Step 3: Cross multiply
   42,643.86x = 63,963.96 × 14,566.42
4. Step 4: Simplify right side
   42,643.86x = 931,725,906.22
5. Step 5: Solve for x
   x = 931,725,906.22/42,643.86
6. Step 6: Final answer
   x = 21,849.00