Finding the Fourth Proportional to 1,986,100.90, 2,976,818.55 and 918,888.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,986,100.90 : 2,976,818.55 = 918,888.82 : x
2. Step 2: Convert to fraction form
   1,986,100.90/2,976,818.55 = 918,888.82/x
3. Step 3: Cross multiply
   1,986,100.90x = 2,976,818.55 × 918,888.82
4. Step 4: Simplify right side
   1,986,100.90x = 2,735,365,284,763.61
5. Step 5: Solve for x
   x = 2,735,365,284,763.61/1,986,100.90
6. Step 6: Final answer
   x = 1,377,253.94