Finding the Fourth Proportional to 11,810,499.20, 16,298,488.80 and 6,377,990.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,810,499.20 : 16,298,488.80 = 6,377,990.72 : x
2. Step 2: Convert to fraction form
   11,810,499.20/16,298,488.80 = 6,377,990.72/x
3. Step 3: Cross multiply
   11,810,499.20x = 16,298,488.80 × 6,377,990.72
4. Step 4: Simplify right side
   11,810,499.20x = 103,951,610,316,423.94
5. Step 5: Solve for x
   x = 103,951,610,316,423.94/11,810,499.20
6. Step 6: Final answer
   x = 8,801,627.14