Finding the Fourth Proportional to 57,105.12, 78,805.32 and 31,953

Step by Step Solution

1. Step 1: Write the proportion equation
   57,105.12 : 78,805.32 = 31,953 : x
2. Step 2: Convert to fraction form
   57,105.12/78,805.32 = 31,953/x
3. Step 3: Cross multiply
   57,105.12x = 78,805.32 × 31,953
4. Step 4: Simplify right side
   57,105.12x = 2,518,066,389.96
5. Step 5: Solve for x
   x = 2,518,066,389.96/57,105.12
6. Step 6: Final answer
   x = 44,095.28