Finding the Fourth Proportional to 42,492.78, 63,736.74 and 16,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,492.78 : 63,736.74 = 16,200.18 : x
2. Step 2: Convert to fraction form
   42,492.78/63,736.74 = 16,200.18/x
3. Step 3: Cross multiply
   42,492.78x = 63,736.74 × 16,200.18
4. Step 4: Simplify right side
   42,492.78x = 1,032,546,660.61
5. Step 5: Solve for x
   x = 1,032,546,660.61/42,492.78
6. Step 6: Final answer
   x = 24,299.34