Finding the Fourth Proportional to 3,892,541.09, 5,371,869.76 and 2,238,689.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892,541.09 : 5,371,869.76 = 2,238,689.32 : x
2. Step 2: Convert to fraction form
   3,892,541.09/5,371,869.76 = 2,238,689.32/x
3. Step 3: Cross multiply
   3,892,541.09x = 5,371,869.76 × 2,238,689.32
4. Step 4: Simplify right side
   3,892,541.09x = 12,025,947,441,116.57
5. Step 5: Solve for x
   x = 12,025,947,441,116.57/3,892,541.09
6. Step 6: Final answer
   x = 3,089,485.04