Finding the Fourth Proportional to 1,355,337.29, 1,870,390.42 and 743,521.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355,337.29 : 1,870,390.42 = 743,521.30 : x
2. Step 2: Convert to fraction form
   1,355,337.29/1,870,390.42 = 743,521.30/x
3. Step 3: Cross multiply
   1,355,337.29x = 1,870,390.42 × 743,521.30
4. Step 4: Simplify right side
   1,355,337.29x = 1,390,675,110,051.17
5. Step 5: Solve for x
   x = 1,390,675,110,051.17/1,355,337.29
6. Step 6: Final answer
   x = 1,026,073.08