Finding the Fourth Proportional to 7,132,978.88, 9,843,509.76 and 4,077,258.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,132,978.88 : 9,843,509.76 = 4,077,258.72 : x
2. Step 2: Convert to fraction form
   7,132,978.88/9,843,509.76 = 4,077,258.72/x
3. Step 3: Cross multiply
   7,132,978.88x = 9,843,509.76 × 4,077,258.72
4. Step 4: Simplify right side
   7,132,978.88x = 40,134,536,004,365.11
5. Step 5: Solve for x
   x = 40,134,536,004,365.11/7,132,978.88
6. Step 6: Final answer
   x = 5,626,616.41