Finding the Fourth Proportional to 1,562,156.53, 2,155,938.38 and 899,891.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562,156.53 : 2,155,938.38 = 899,891.25 : x
2. Step 2: Convert to fraction form
   1,562,156.53/2,155,938.38 = 899,891.25/x
3. Step 3: Cross multiply
   1,562,156.53x = 2,155,938.38 × 899,891.25
4. Step 4: Simplify right side
   1,562,156.53x = 1,940,110,068,422.03
5. Step 5: Solve for x
   x = 1,940,110,068,422.03/1,562,156.53
6. Step 6: Final answer
   x = 1,241,943.45