Finding the Fourth Proportional to 10,970,758.71, 16,466,752.31 and 5,294,978.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970,758.71 : 16,466,752.31 = 5,294,978.55 : x
2. Step 2: Convert to fraction form
   10,970,758.71/16,466,752.31 = 5,294,978.55/x
3. Step 3: Cross multiply
   10,970,758.71x = 16,466,752.31 × 5,294,978.55
4. Step 4: Simplify right side
   10,970,758.71x = 87,191,100,243,138.05
5. Step 5: Solve for x
   x = 87,191,100,243,138.05/10,970,758.71
6. Step 6: Final answer
   x = 7,947,590.73