Finding the Fourth Proportional to 5,129,225.12, 7,078,335.72 and 2,837,540.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,129,225.12 : 7,078,335.72 = 2,837,540.72 : x
2. Step 2: Convert to fraction form
   5,129,225.12/7,078,335.72 = 2,837,540.72/x
3. Step 3: Cross multiply
   5,129,225.12x = 7,078,335.72 × 2,837,540.72
4. Step 4: Simplify right side
   5,129,225.12x = 20,085,065,835,330.52
5. Step 5: Solve for x
   x = 20,085,065,835,330.52/5,129,225.12
6. Step 6: Final answer
   x = 3,915,808.99