Finding the Fourth Proportional to 1,188,171.06, 1,782,723.15 and 522,856.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188,171.06 : 1,782,723.15 = 522,856.50 : x
2. Step 2: Convert to fraction form
   1,188,171.06/1,782,723.15 = 522,856.50/x
3. Step 3: Cross multiply
   1,188,171.06x = 1,782,723.15 × 522,856.50
4. Step 4: Simplify right side
   1,188,171.06x = 932,108,386,677.98
5. Step 5: Solve for x
   x = 932,108,386,677.98/1,188,171.06
6. Step 6: Final answer
   x = 784,490.06