Finding the Fourth Proportional to 992,874.10, 1,370,172.18 and 540,168.34

Step by Step Solution

1. Step 1: Write the proportion equation
   992,874.10 : 1,370,172.18 = 540,168.34 : x
2. Step 2: Convert to fraction form
   992,874.10/1,370,172.18 = 540,168.34/x
3. Step 3: Cross multiply
   992,874.10x = 1,370,172.18 × 540,168.34
4. Step 4: Simplify right side
   992,874.10x = 740,123,631,984.78
5. Step 5: Solve for x
   x = 740,123,631,984.78/992,874.10
6. Step 6: Final answer
   x = 745,435.53