Finding the Fourth Proportional to 2,877,116.42, 3,970,412.46 and 1,587,947.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877,116.42 : 3,970,412.46 = 1,587,947.55 : x
2. Step 2: Convert to fraction form
   2,877,116.42/3,970,412.46 = 1,587,947.55/x
3. Step 3: Cross multiply
   2,877,116.42x = 3,970,412.46 × 1,587,947.55
4. Step 4: Simplify right side
   2,877,116.42x = 6,304,806,738,346.47
5. Step 5: Solve for x
   x = 6,304,806,738,346.47/2,877,116.42
6. Step 6: Final answer
   x = 2,191,363.09