Finding the Fourth Proportional to 42,506.52, 63,760.05 and 12,924.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,506.52 : 63,760.05 = 12,924.24 : x
2. Step 2: Convert to fraction form
   42,506.52/63,760.05 = 12,924.24/x
3. Step 3: Cross multiply
   42,506.52x = 63,760.05 × 12,924.24
4. Step 4: Simplify right side
   42,506.52x = 824,050,188.61
5. Step 5: Solve for x
   x = 824,050,188.61/42,506.52
6. Step 6: Final answer
   x = 19,386.44