Finding the Fourth Proportional to 1,890,113.40, 2,608,262.01 and 1,074,209.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890,113.40 : 2,608,262.01 = 1,074,209.31 : x
2. Step 2: Convert to fraction form
   1,890,113.40/2,608,262.01 = 1,074,209.31/x
3. Step 3: Cross multiply
   1,890,113.40x = 2,608,262.01 × 1,074,209.31
4. Step 4: Simplify right side
   1,890,113.40x = 2,801,819,334,061.31
5. Step 5: Solve for x
   x = 2,801,819,334,061.31/1,890,113.40
6. Step 6: Final answer
   x = 1,482,355.15