Finding the Fourth Proportional to 10,672,109.85, 14,727,508.47 and 5,777,328.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,672,109.85 : 14,727,508.47 = 5,777,328.31 : x
2. Step 2: Convert to fraction form
   10,672,109.85/14,727,508.47 = 5,777,328.31/x
3. Step 3: Cross multiply
   10,672,109.85x = 14,727,508.47 × 5,777,328.31
4. Step 4: Simplify right side
   10,672,109.85x = 85,085,651,619,495.78
5. Step 5: Solve for x
   x = 85,085,651,619,495.78/10,672,109.85
6. Step 6: Final answer
   x = 7,972,711.38