Finding the Fourth Proportional to 8,291,071.72, 11,436,445.83 and 5,708,268.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,291,071.72 : 11,436,445.83 = 5,708,268.46 : x
2. Step 2: Convert to fraction form
   8,291,071.72/11,436,445.83 = 5,708,268.46/x
3. Step 3: Cross multiply
   8,291,071.72x = 11,436,445.83 × 5,708,268.46
4. Step 4: Simplify right side
   8,291,071.72x = 65,282,303,025,887.52
5. Step 5: Solve for x
   x = 65,282,303,025,887.52/8,291,071.72
6. Step 6: Final answer
   x = 7,873,807.54