Finding the Fourth Proportional to 10,797,978.60, 16,193,695.98 and 5,677,649.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,797,978.60 : 16,193,695.98 = 5,677,649.40 : x
2. Step 2: Convert to fraction form
   10,797,978.60/16,193,695.98 = 5,677,649.40/x
3. Step 3: Cross multiply
   10,797,978.60x = 16,193,695.98 × 5,677,649.40
4. Step 4: Simplify right side
   10,797,978.60x = 91,942,128,264,629.42
5. Step 5: Solve for x
   x = 91,942,128,264,629.42/10,797,978.60
6. Step 6: Final answer
   x = 8,514,753.70