Finding the Fourth Proportional to 16,070.61, 24,108.21 and 4,978.29

Step by Step Solution

1. Step 1: Write the proportion equation
   16,070.61 : 24,108.21 = 4,978.29 : x
2. Step 2: Convert to fraction form
   16,070.61/24,108.21 = 4,978.29/x
3. Step 3: Cross multiply
   16,070.61x = 24,108.21 × 4,978.29
4. Step 4: Simplify right side
   16,070.61x = 120,017,660.76
5. Step 5: Solve for x
   x = 120,017,660.76/16,070.61
6. Step 6: Final answer
   x = 7,468.15