Finding the Fourth Proportional to 8,537,814.50, 12,807,618.64 and 2,780,996.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,537,814.50 : 12,807,618.64 = 2,780,996.72 : x
2. Step 2: Convert to fraction form
   8,537,814.50/12,807,618.64 = 2,780,996.72/x
3. Step 3: Cross multiply
   8,537,814.50x = 12,807,618.64 × 2,780,996.72
4. Step 4: Simplify right side
   8,537,814.50x = 35,617,945,357,860.27
5. Step 5: Solve for x
   x = 35,617,945,357,860.27/8,537,814.50
6. Step 6: Final answer
   x = 4,171,787.22