Finding the Fourth Proportional to 10,353,367.47, 14,287,530.78 and 5,643,659.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,353,367.47 : 14,287,530.78 = 5,643,659.73 : x
2. Step 2: Convert to fraction form
   10,353,367.47/14,287,530.78 = 5,643,659.73/x
3. Step 3: Cross multiply
   10,353,367.47x = 14,287,530.78 × 5,643,659.73
4. Step 4: Simplify right side
   10,353,367.47x = 80,633,962,104,221.48
5. Step 5: Solve for x
   x = 80,633,962,104,221.48/10,353,367.47
6. Step 6: Final answer
   x = 7,788,187.02