Finding the Fourth Proportional to 2,609,112.74, 3,914,038.32 and 812,177.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,609,112.74 : 3,914,038.32 = 812,177.86 : x
2. Step 2: Convert to fraction form
   2,609,112.74/3,914,038.32 = 812,177.86/x
3. Step 3: Cross multiply
   2,609,112.74x = 3,914,038.32 × 812,177.86
4. Step 4: Simplify right side
   2,609,112.74x = 3,178,895,253,864.83
5. Step 5: Solve for x
   x = 3,178,895,253,864.83/2,609,112.74
6. Step 6: Final answer
   x = 1,218,381.72