Finding the Fourth Proportional to 1,804,642.09, 2,490,406.69 and 988,839.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,804,642.09 : 2,490,406.69 = 988,839.15 : x
2. Step 2: Convert to fraction form
   1,804,642.09/2,490,406.69 = 988,839.15/x
3. Step 3: Cross multiply
   1,804,642.09x = 2,490,406.69 × 988,839.15
4. Step 4: Simplify right side
   1,804,642.09x = 2,462,611,627,672.76
5. Step 5: Solve for x
   x = 2,462,611,627,672.76/1,804,642.09
6. Step 6: Final answer
   x = 1,364,598.36