Finding the Fourth Proportional to 11,689,419.05, 16,131,896.52 and 6,532,780.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,689,419.05 : 16,131,896.52 = 6,532,780.55 : x
2. Step 2: Convert to fraction form
   11,689,419.05/16,131,896.52 = 6,532,780.55/x
3. Step 3: Cross multiply
   11,689,419.05x = 16,131,896.52 × 6,532,780.55
4. Step 4: Simplify right side
   11,689,419.05x = 105,386,139,707,145.30
5. Step 5: Solve for x
   x = 105,386,139,707,145.30/11,689,419.05
6. Step 6: Final answer
   x = 9,015,515.60