Finding the Fourth Proportional to 58,233.31, 80,412.38 and 55,243.94

Step by Step Solution

1. Step 1: Write the proportion equation
   58,233.31 : 80,412.38 = 55,243.94 : x
2. Step 2: Convert to fraction form
   58,233.31/80,412.38 = 55,243.94/x
3. Step 3: Cross multiply
   58,233.31x = 80,412.38 × 55,243.94
4. Step 4: Simplify right side
   58,233.31x = 4,442,296,224.86
5. Step 5: Solve for x
   x = 4,442,296,224.86/58,233.31
6. Step 6: Final answer
   x = 76,284.46