Finding the Fourth Proportional to 52,158.72, 78,234.83 and 16,619.16

Step by Step Solution

1. Step 1: Write the proportion equation
   52,158.72 : 78,234.83 = 16,619.16 : x
2. Step 2: Convert to fraction form
   52,158.72/78,234.83 = 16,619.16/x
3. Step 3: Cross multiply
   52,158.72x = 78,234.83 × 16,619.16
4. Step 4: Simplify right side
   52,158.72x = 1,300,196,766.17
5. Step 5: Solve for x
   x = 1,300,196,766.17/52,158.72
6. Step 6: Final answer
   x = 24,927.70