Finding the Fourth Proportional to 702,807.59, 969,870.03 and 380,516.69

Step by Step Solution

1. Step 1: Write the proportion equation
   702,807.59 : 969,870.03 = 380,516.69 : x
2. Step 2: Convert to fraction form
   702,807.59/969,870.03 = 380,516.69/x
3. Step 3: Cross multiply
   702,807.59x = 969,870.03 × 380,516.69
4. Step 4: Simplify right side
   702,807.59x = 369,051,733,545.80
5. Step 5: Solve for x
   x = 369,051,733,545.80/702,807.59
6. Step 6: Final answer
   x = 525,110.63