Finding the Fourth Proportional to 42,492.83, 63,738.99 and 10,902.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,492.83 : 63,738.99 = 10,902.83 : x
2. Step 2: Convert to fraction form
   42,492.83/63,738.99 = 10,902.83/x
3. Step 3: Cross multiply
   42,492.83x = 63,738.99 × 10,902.83
4. Step 4: Simplify right side
   42,492.83x = 694,935,053.65
5. Step 5: Solve for x
   x = 694,935,053.65/42,492.83
6. Step 6: Final answer
   x = 16,354.17