Finding the Fourth Proportional to 785,429.62, 1,178,111.52 and 252,938.86

Step by Step Solution

1. Step 1: Write the proportion equation
   785,429.62 : 1,178,111.52 = 252,938.86 : x
2. Step 2: Convert to fraction form
   785,429.62/1,178,111.52 = 252,938.86/x
3. Step 3: Cross multiply
   785,429.62x = 1,178,111.52 × 252,938.86
4. Step 4: Simplify right side
   785,429.62x = 297,990,184,821.67
5. Step 5: Solve for x
   x = 297,990,184,821.67/785,429.62
6. Step 6: Final answer
   x = 379,397.69