Finding the Fourth Proportional to 1,870,227.47, 2,801,281.39 and 1,148,378.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,227.47 : 2,801,281.39 = 1,148,378.05 : x
2. Step 2: Convert to fraction form
   1,870,227.47/2,801,281.39 = 1,148,378.05/x
3. Step 3: Cross multiply
   1,870,227.47x = 2,801,281.39 × 1,148,378.05
4. Step 4: Simplify right side
   1,870,227.47x = 3,216,930,058,714.02
5. Step 5: Solve for x
   x = 3,216,930,058,714.02/1,870,227.47
6. Step 6: Final answer
   x = 1,720,074.22