Finding the Fourth Proportional to 2,528,859.71, 3,490,146 and 1,658,426.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,859.71 : 3,490,146 = 1,658,426.87 : x
2. Step 2: Convert to fraction form
   2,528,859.71/3,490,146 = 1,658,426.87/x
3. Step 3: Cross multiply
   2,528,859.71x = 3,490,146 × 1,658,426.87
4. Step 4: Simplify right side
   2,528,859.71x = 5,788,151,915,348.39
5. Step 5: Solve for x
   x = 5,788,151,915,348.39/2,528,859.71
6. Step 6: Final answer
   x = 2,288,838.68