Finding the Fourth Proportional to 42,483.98, 63,726.08 and 12,902.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,483.98 : 63,726.08 = 12,902.04 : x
2. Step 2: Convert to fraction form
   42,483.98/63,726.08 = 12,902.04/x
3. Step 3: Cross multiply
   42,483.98x = 63,726.08 × 12,902.04
4. Step 4: Simplify right side
   42,483.98x = 822,196,368.69
5. Step 5: Solve for x
   x = 822,196,368.69/42,483.98
6. Step 6: Final answer
   x = 19,353.09