Finding the Fourth Proportional to 693,086.50, 956,462.25 and 375,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   693,086.50 : 956,462.25 = 375,134.50 : x
2. Step 2: Convert to fraction form
   693,086.50/956,462.25 = 375,134.50/x
3. Step 3: Cross multiply
   693,086.50x = 956,462.25 × 375,134.50
4. Step 4: Simplify right side
   693,086.50x = 358,801,987,922.63
5. Step 5: Solve for x
   x = 358,801,987,922.63/693,086.50
6. Step 6: Final answer
   x = 517,687.17