Finding the Fourth Proportional to 42,384.08, 63,582 and 12,798.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,384.08 : 63,582 = 12,798.56 : x
2. Step 2: Convert to fraction form
   42,384.08/63,582 = 12,798.56/x
3. Step 3: Cross multiply
   42,384.08x = 63,582 × 12,798.56
4. Step 4: Simplify right side
   42,384.08x = 813,758,041.92
5. Step 5: Solve for x
   x = 813,758,041.92/42,384.08
6. Step 6: Final answer
   x = 19,199.62