Finding the Fourth Proportional to 1,713,111.16, 2,364,189.06 and 978,282.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,713,111.16 : 2,364,189.06 = 978,282.40 : x
2. Step 2: Convert to fraction form
   1,713,111.16/2,364,189.06 = 978,282.40/x
3. Step 3: Cross multiply
   1,713,111.16x = 2,364,189.06 × 978,282.40
4. Step 4: Simplify right side
   1,713,111.16x = 2,312,844,547,670.54
5. Step 5: Solve for x
   x = 2,312,844,547,670.54/1,713,111.16
6. Step 6: Final answer
   x = 1,350,084.34