Finding the Fourth Proportional to 2,853,399.17, 3,938,111.54 and 1,806,915.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,853,399.17 : 3,938,111.54 = 1,806,915.91 : x
2. Step 2: Convert to fraction form
   2,853,399.17/3,938,111.54 = 1,806,915.91/x
3. Step 3: Cross multiply
   2,853,399.17x = 3,938,111.54 × 1,806,915.91
4. Step 4: Simplify right side
   2,853,399.17x = 7,115,836,391,652.61
5. Step 5: Solve for x
   x = 7,115,836,391,652.61/2,853,399.17
6. Step 6: Final answer
   x = 2,493,810.36