Finding the Fourth Proportional to 1,065,572.50, 1,470,490.06 and 588,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,572.50 : 1,470,490.06 = 588,644.50 : x
2. Step 2: Convert to fraction form
   1,065,572.50/1,470,490.06 = 588,644.50/x
3. Step 3: Cross multiply
   1,065,572.50x = 1,470,490.06 × 588,644.50
4. Step 4: Simplify right side
   1,065,572.50x = 865,595,886,123.67
5. Step 5: Solve for x
   x = 865,595,886,123.67/1,065,572.50
6. Step 6: Final answer
   x = 812,329.42