Finding the Fourth Proportional to 42,463.91, 63,696.02 and 12,882.00

Step by Step Solution

1. Step 1: Write the proportion equation
   42,463.91 : 63,696.02 = 12,882.00 : x
2. Step 2: Convert to fraction form
   42,463.91/63,696.02 = 12,882.00/x
3. Step 3: Cross multiply
   42,463.91x = 63,696.02 × 12,882.00
4. Step 4: Simplify right side
   42,463.91x = 820,532,376.55
5. Step 5: Solve for x
   x = 820,532,376.55/42,463.91
6. Step 6: Final answer
   x = 19,323.05