Finding the Fourth Proportional to 58,906.05, 81,339.40 and 54,632.22

Step by Step Solution

1. Step 1: Write the proportion equation
   58,906.05 : 81,339.40 = 54,632.22 : x
2. Step 2: Convert to fraction form
   58,906.05/81,339.40 = 54,632.22/x
3. Step 3: Cross multiply
   58,906.05x = 81,339.40 × 54,632.22
4. Step 4: Simplify right side
   58,906.05x = 4,443,751,995.47
5. Step 5: Solve for x
   x = 4,443,751,995.47/58,906.05
6. Step 6: Final answer
   x = 75,437.96