Finding the Fourth Proportional to 42,549.18, 63,833.25 and 12,969.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,549.18 : 63,833.25 = 12,969.32 : x
2. Step 2: Convert to fraction form
   42,549.18/63,833.25 = 12,969.32/x
3. Step 3: Cross multiply
   42,549.18x = 63,833.25 × 12,969.32
4. Step 4: Simplify right side
   42,549.18x = 827,873,526.72
5. Step 5: Solve for x
   x = 827,873,526.72/42,549.18
6. Step 6: Final answer
   x = 19,456.86