Finding the Fourth Proportional to 5,200,789.12, 7,176,699.25 and 2,908,506.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200,789.12 : 7,176,699.25 = 2,908,506.94 : x
2. Step 2: Convert to fraction form
   5,200,789.12/7,176,699.25 = 2,908,506.94/x
3. Step 3: Cross multiply
   5,200,789.12x = 7,176,699.25 × 2,908,506.94
4. Step 4: Simplify right side
   5,200,789.12x = 20,873,479,549,704.78
5. Step 5: Solve for x
   x = 20,873,479,549,704.78/5,200,789.12
6. Step 6: Final answer
   x = 4,013,521.62