Finding the Fourth Proportional to 3,391,162.56, 5,087,531.68 and 994,910.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,391,162.56 : 5,087,531.68 = 994,910.40 : x
2. Step 2: Convert to fraction form
   3,391,162.56/5,087,531.68 = 994,910.40/x
3. Step 3: Cross multiply
   3,391,162.56x = 5,087,531.68 × 994,910.40
4. Step 4: Simplify right side
   3,391,162.56x = 5,061,638,178,761.47
5. Step 5: Solve for x
   x = 5,061,638,178,761.47/3,391,162.56
6. Step 6: Final answer
   x = 1,492,596.74