Finding the Fourth Proportional to 2,650,830.32, 3,976,134.42 and 853,674.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650,830.32 : 3,976,134.42 = 853,674.02 : x
2. Step 2: Convert to fraction form
   2,650,830.32/3,976,134.42 = 853,674.02/x
3. Step 3: Cross multiply
   2,650,830.32x = 3,976,134.42 × 853,674.02
4. Step 4: Simplify right side
   2,650,830.32x = 3,394,322,654,381.77
5. Step 5: Solve for x
   x = 3,394,322,654,381.77/2,650,830.32
6. Step 6: Final answer
   x = 1,280,475.26