Finding the Fourth Proportional to 1,204,716.31, 1,662,492.98 and 688,464.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,716.31 : 1,662,492.98 = 688,464.30 : x
2. Step 2: Convert to fraction form
   1,204,716.31/1,662,492.98 = 688,464.30/x
3. Step 3: Cross multiply
   1,204,716.31x = 1,662,492.98 × 688,464.30
4. Step 4: Simplify right side
   1,204,716.31x = 1,144,567,065,730.61
5. Step 5: Solve for x
   x = 1,144,567,065,730.61/1,204,716.31
6. Step 6: Final answer
   x = 950,071.86