Finding the Fourth Proportional to 1,318,065.42, 1,819,008.72 and 745,158.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,318,065.42 : 1,819,008.72 = 745,158.90 : x
2. Step 2: Convert to fraction form
   1,318,065.42/1,819,008.72 = 745,158.90/x
3. Step 3: Cross multiply
   1,318,065.42x = 1,819,008.72 × 745,158.90
4. Step 4: Simplify right side
   1,318,065.42x = 1,355,450,536,885.61
5. Step 5: Solve for x
   x = 1,355,450,536,885.61/1,318,065.42
6. Step 6: Final answer
   x = 1,028,363.63