Finding the Fourth Proportional to 1,233,619.42, 1,702,397.59 and 689,774.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,619.42 : 1,702,397.59 = 689,774.94 : x
2. Step 2: Convert to fraction form
   1,233,619.42/1,702,397.59 = 689,774.94/x
3. Step 3: Cross multiply
   1,233,619.42x = 1,702,397.59 × 689,774.94
4. Step 4: Simplify right side
   1,233,619.42x = 1,174,271,195,498.39
5. Step 5: Solve for x
   x = 1,174,271,195,498.39/1,233,619.42
6. Step 6: Final answer
   x = 951,890.98