Finding the Fourth Proportional to 1,023,171.55, 1,412,076.53 and 764,599.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,023,171.55 : 1,412,076.53 = 764,599.50 : x
2. Step 2: Convert to fraction form
   1,023,171.55/1,412,076.53 = 764,599.50/x
3. Step 3: Cross multiply
   1,023,171.55x = 1,412,076.53 × 764,599.50
4. Step 4: Simplify right side
   1,023,171.55x = 1,079,673,010,711.23
5. Step 5: Solve for x
   x = 1,079,673,010,711.23/1,023,171.55
6. Step 6: Final answer
   x = 1,055,221.89