Finding the Fourth Proportional to 2,528,209.48, 3,488,074.50 and 1,439,709.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528,209.48 : 3,488,074.50 = 1,439,709.22 : x
2. Step 2: Convert to fraction form
   2,528,209.48/3,488,074.50 = 1,439,709.22/x
3. Step 3: Cross multiply
   2,528,209.48x = 3,488,074.50 × 1,439,709.22
4. Step 4: Simplify right side
   2,528,209.48x = 5,021,813,017,696.89
5. Step 5: Solve for x
   x = 5,021,813,017,696.89/2,528,209.48
6. Step 6: Final answer
   x = 1,986,312.07