Finding the Fourth Proportional to 1,868,436.50, 2,578,862.37 and 1,223,482.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,436.50 : 2,578,862.37 = 1,223,482.10 : x
2. Step 2: Convert to fraction form
   1,868,436.50/2,578,862.37 = 1,223,482.10/x
3. Step 3: Cross multiply
   1,868,436.50x = 2,578,862.37 × 1,223,482.10
4. Step 4: Simplify right side
   1,868,436.50x = 3,155,191,948,058.58
5. Step 5: Solve for x
   x = 3,155,191,948,058.58/1,868,436.50
6. Step 6: Final answer
   x = 1,688,680.32