Finding the Fourth Proportional to 10,845,085.20, 16,262,962.20 and 5,451,651.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,845,085.20 : 16,262,962.20 = 5,451,651.60 : x
2. Step 2: Convert to fraction form
   10,845,085.20/16,262,962.20 = 5,451,651.60/x
3. Step 3: Cross multiply
   10,845,085.20x = 16,262,962.20 × 5,451,651.60
4. Step 4: Simplify right side
   10,845,085.20x = 88,660,003,898,369.52
5. Step 5: Solve for x
   x = 88,660,003,898,369.52/10,845,085.20
6. Step 6: Final answer
   x = 8,175,132.08