Finding the Fourth Proportional to 2,191,695.37, 3,287,871.10 and 771,501.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191,695.37 : 3,287,871.10 = 771,501.31 : x
2. Step 2: Convert to fraction form
   2,191,695.37/3,287,871.10 = 771,501.31/x
3. Step 3: Cross multiply
   2,191,695.37x = 3,287,871.10 × 771,501.31
4. Step 4: Simplify right side
   2,191,695.37x = 2,536,596,853,505.84
5. Step 5: Solve for x
   x = 2,536,596,853,505.84/2,191,695.37
6. Step 6: Final answer
   x = 1,157,367.44