Finding the Fourth Proportional to 1,706,077.45, 2,354,382.69 and 980,890.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,706,077.45 : 2,354,382.69 = 980,890.12 : x
2. Step 2: Convert to fraction form
   1,706,077.45/2,354,382.69 = 980,890.12/x
3. Step 3: Cross multiply
   1,706,077.45x = 2,354,382.69 × 980,890.12
4. Step 4: Simplify right side
   1,706,077.45x = 2,309,390,719,320.02
5. Step 5: Solve for x
   x = 2,309,390,719,320.02/1,706,077.45
6. Step 6: Final answer
   x = 1,353,625.96