Finding the Fourth Proportional to 706,980.69, 1,061,082.18 and 370,256.94

Step by Step Solution

1. Step 1: Write the proportion equation
   706,980.69 : 1,061,082.18 = 370,256.94 : x
2. Step 2: Convert to fraction form
   706,980.69/1,061,082.18 = 370,256.94/x
3. Step 3: Cross multiply
   706,980.69x = 1,061,082.18 × 370,256.94
4. Step 4: Simplify right side
   706,980.69x = 392,873,041,055.33
5. Step 5: Solve for x
   x = 392,873,041,055.33/706,980.69
6. Step 6: Final answer
   x = 555,705.48