Finding the Fourth Proportional to 1,830,291.50, 2,524,490.72 and 1,209,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830,291.50 : 2,524,490.72 = 1,209,377.50 : x
2. Step 2: Convert to fraction form
   1,830,291.50/2,524,490.72 = 1,209,377.50/x
3. Step 3: Cross multiply
   1,830,291.50x = 2,524,490.72 × 1,209,377.50
4. Step 4: Simplify right side
   1,830,291.50x = 3,053,062,272,439.02
5. Step 5: Solve for x
   x = 3,053,062,272,439.02/1,830,291.50
6. Step 6: Final answer
   x = 1,668,074.33