Finding the Fourth Proportional to 243,972.86, 365,814.72 and 75,443.30

Step by Step Solution

1. Step 1: Write the proportion equation
   243,972.86 : 365,814.72 = 75,443.30 : x
2. Step 2: Convert to fraction form
   243,972.86/365,814.72 = 75,443.30/x
3. Step 3: Cross multiply
   243,972.86x = 365,814.72 × 75,443.30
4. Step 4: Simplify right side
   243,972.86x = 27,598,269,665.38
5. Step 5: Solve for x
   x = 27,598,269,665.38/243,972.86
6. Step 6: Final answer
   x = 113,120.24