Finding the Fourth Proportional to 10,891,488.32, 16,337,082.64 and 3,708,031.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,891,488.32 : 16,337,082.64 = 3,708,031.68 : x
2. Step 2: Convert to fraction form
   10,891,488.32/16,337,082.64 = 3,708,031.68/x
3. Step 3: Cross multiply
   10,891,488.32x = 16,337,082.64 × 3,708,031.68
4. Step 4: Simplify right side
   10,891,488.32x = 60,578,419,987,898.04
5. Step 5: Solve for x
   x = 60,578,419,987,898.04/10,891,488.32
6. Step 6: Final answer
   x = 5,561,996.51