Finding the Fourth Proportional to 693,085.50, 956,460.87 and 375,133.50

Step by Step Solution

1. Step 1: Write the proportion equation
   693,085.50 : 956,460.87 = 375,133.50 : x
2. Step 2: Convert to fraction form
   693,085.50/956,460.87 = 375,133.50/x
3. Step 3: Cross multiply
   693,085.50x = 956,460.87 × 375,133.50
4. Step 4: Simplify right side
   693,085.50x = 358,800,513,776.15
5. Step 5: Solve for x
   x = 358,800,513,776.15/693,085.50
6. Step 6: Final answer
   x = 517,685.79