Finding the Fourth Proportional to 702,401.31, 969,316.25 and 380,111.31

Step by Step Solution

1. Step 1: Write the proportion equation
   702,401.31 : 969,316.25 = 380,111.31 : x
2. Step 2: Convert to fraction form
   702,401.31/969,316.25 = 380,111.31/x
3. Step 3: Cross multiply
   702,401.31x = 969,316.25 × 380,111.31
4. Step 4: Simplify right side
   702,401.31x = 368,448,067,691.23
5. Step 5: Solve for x
   x = 368,448,067,691.23/702,401.31
6. Step 6: Final answer
   x = 524,554.93