Finding the Fourth Proportional to 5,825,578.61, 8,042,742.72 and 5,179,209.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,825,578.61 : 8,042,742.72 = 5,179,209.55 : x
2. Step 2: Convert to fraction form
   5,825,578.61/8,042,742.72 = 5,179,209.55/x
3. Step 3: Cross multiply
   5,825,578.61x = 8,042,742.72 × 5,179,209.55
4. Step 4: Simplify right side
   5,825,578.61x = 41,655,049,883,510.12
5. Step 5: Solve for x
   x = 41,655,049,883,510.12/5,825,578.61
6. Step 6: Final answer
   x = 7,150,371.26