Finding the Fourth Proportional to 5,188,464.52, 7,748,633.24 and 4,422,139.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,188,464.52 : 7,748,633.24 = 4,422,139.72 : x
2. Step 2: Convert to fraction form
   5,188,464.52/7,748,633.24 = 4,422,139.72/x
3. Step 3: Cross multiply
   5,188,464.52x = 7,748,633.24 × 4,422,139.72
4. Step 4: Simplify right side
   5,188,464.52x = 34,265,538,826,316.29
5. Step 5: Solve for x
   x = 34,265,538,826,316.29/5,188,464.52
6. Step 6: Final answer
   x = 6,604,177.15