Finding the Fourth Proportional to 3,991,056.86, 5,507,663.46 and 2,272,177.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,991,056.86 : 5,507,663.46 = 2,272,177.31 : x
2. Step 2: Convert to fraction form
   3,991,056.86/5,507,663.46 = 2,272,177.31/x
3. Step 3: Cross multiply
   3,991,056.86x = 5,507,663.46 × 2,272,177.31
4. Step 4: Simplify right side
   3,991,056.86x = 12,514,387,944,928.09
5. Step 5: Solve for x
   x = 12,514,387,944,928.09/3,991,056.86
6. Step 6: Final answer
   x = 3,135,607.53