Finding the Fourth Proportional to 2,057,018.12, 3,087,517.35 and 992,809.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,018.12 : 3,087,517.35 = 992,809.34 : x
2. Step 2: Convert to fraction form
   2,057,018.12/3,087,517.35 = 992,809.34/x
3. Step 3: Cross multiply
   2,057,018.12x = 3,087,517.35 × 992,809.34
4. Step 4: Simplify right side
   2,057,018.12x = 3,065,316,062,492.05
5. Step 5: Solve for x
   x = 3,065,316,062,492.05/2,057,018.12
6. Step 6: Final answer
   x = 1,490,174.56