Finding the Fourth Proportional to 9,760,078.77, 13,468,909.98 and 5,409,445.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760,078.77 : 13,468,909.98 = 5,409,445.96 : x
2. Step 2: Convert to fraction form
   9,760,078.77/13,468,909.98 = 5,409,445.96/x
3. Step 3: Cross multiply
   9,760,078.77x = 13,468,909.98 × 5,409,445.96
4. Step 4: Simplify right side
   9,760,078.77x = 72,859,340,676,914.69
5. Step 5: Solve for x
   x = 72,859,340,676,914.69/9,760,078.77
6. Step 6: Final answer
   x = 7,465,036.13