Finding the Fourth Proportional to 58,775.05, 81,109.32 and 31,917.34

Step by Step Solution

1. Step 1: Write the proportion equation
   58,775.05 : 81,109.32 = 31,917.34 : x
2. Step 2: Convert to fraction form
   58,775.05/81,109.32 = 31,917.34/x
3. Step 3: Cross multiply
   58,775.05x = 81,109.32 × 31,917.34
4. Step 4: Simplify right side
   58,775.05x = 2,588,793,743.61
5. Step 5: Solve for x
   x = 2,588,793,743.61/58,775.05
6. Step 6: Final answer
   x = 44,045.79