Finding the Fourth Proportional to 7,629,776.31, 10,538,406.15 and 5,704,574.79

Step by Step Solution

1. Step 1: Write the proportion equation
   7,629,776.31 : 10,538,406.15 = 5,704,574.79 : x
2. Step 2: Convert to fraction form
   7,629,776.31/10,538,406.15 = 5,704,574.79/x
3. Step 3: Cross multiply
   7,629,776.31x = 10,538,406.15 × 5,704,574.79
4. Step 4: Simplify right side
   7,629,776.31x = 60,117,126,050,070.96
5. Step 5: Solve for x
   x = 60,117,126,050,070.96/7,629,776.31
6. Step 6: Final answer
   x = 7,879,277.66