Finding the Fourth Proportional to 10,860,141.30, 16,292,055.15 and 3,287,046.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,860,141.30 : 16,292,055.15 = 3,287,046.90 : x
2. Step 2: Convert to fraction form
   10,860,141.30/16,292,055.15 = 3,287,046.90/x
3. Step 3: Cross multiply
   10,860,141.30x = 16,292,055.15 × 3,287,046.90
4. Step 4: Simplify right side
   10,860,141.30x = 53,552,749,375,436.53
5. Step 5: Solve for x
   x = 53,552,749,375,436.53/10,860,141.30
6. Step 6: Final answer
   x = 4,931,128.23