Finding the Fourth Proportional to 3,717,290.89, 5,129,949.86 and 2,085,818.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,717,290.89 : 5,129,949.86 = 2,085,818.91 : x
2. Step 2: Convert to fraction form
   3,717,290.89/5,129,949.86 = 2,085,818.91/x
3. Step 3: Cross multiply
   3,717,290.89x = 5,129,949.86 × 2,085,818.91
4. Step 4: Simplify right side
   3,717,290.89x = 10,700,146,441,264.46
5. Step 5: Solve for x
   x = 10,700,146,441,264.46/3,717,290.89
6. Step 6: Final answer
   x = 2,878,479.72