Finding the Fourth Proportional to 1,713,086.10, 2,364,154.56 and 978,257.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713,086.10 : 2,364,154.56 = 978,257.34 : x
2. Step 2: Convert to fraction form
   1,713,086.10/2,364,154.56 = 978,257.34/x
3. Step 3: Cross multiply
   1,713,086.10x = 2,364,154.56 × 978,257.34
4. Step 4: Simplify right side
   1,713,086.10x = 2,312,751,551,214.47
5. Step 5: Solve for x
   x = 2,312,751,551,214.47/1,713,086.10
6. Step 6: Final answer
   x = 1,350,049.80