Finding the Fourth Proportional to 1,808,610.56, 2,495,872.72 and 992,828.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,610.56 : 2,495,872.72 = 992,828.12 : x
2. Step 2: Convert to fraction form
   1,808,610.56/2,495,872.72 = 992,828.12/x
3. Step 3: Cross multiply
   1,808,610.56x = 2,495,872.72 × 992,828.12
4. Step 4: Simplify right side
   1,808,610.56x = 2,477,972,620,356.89
5. Step 5: Solve for x
   x = 2,477,972,620,356.89/1,808,610.56
6. Step 6: Final answer
   x = 1,370,097.40