Finding the Fourth Proportional to 8,978,516.85, 13,473,140.71 and 3,299,315.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,978,516.85 : 13,473,140.71 = 3,299,315.25 : x
2. Step 2: Convert to fraction form
   8,978,516.85/13,473,140.71 = 3,299,315.25/x
3. Step 3: Cross multiply
   8,978,516.85x = 13,473,140.71 × 3,299,315.25
4. Step 4: Simplify right side
   8,978,516.85x = 44,452,138,609,898.83
5. Step 5: Solve for x
   x = 44,452,138,609,898.83/8,978,516.85
6. Step 6: Final answer
   x = 4,950,944.50