Finding the Fourth Proportional to 55,142.04, 76,097.74 and 31,269.72

Step by Step Solution

1. Step 1: Write the proportion equation
   55,142.04 : 76,097.74 = 31,269.72 : x
2. Step 2: Convert to fraction form
   55,142.04/76,097.74 = 31,269.72/x
3. Step 3: Cross multiply
   55,142.04x = 76,097.74 × 31,269.72
4. Step 4: Simplify right side
   55,142.04x = 2,379,555,022.43
5. Step 5: Solve for x
   x = 2,379,555,022.43/55,142.04
6. Step 6: Final answer
   x = 43,153.19