Finding the Fourth Proportional to 107,796.29, 161,718.10 and 31,888.89

Step by Step Solution

1. Step 1: Write the proportion equation
   107,796.29 : 161,718.10 = 31,888.89 : x
2. Step 2: Convert to fraction form
   107,796.29/161,718.10 = 31,888.89/x
3. Step 3: Cross multiply
   107,796.29x = 161,718.10 × 31,888.89
4. Step 4: Simplify right side
   107,796.29x = 5,157,010,135.33
5. Step 5: Solve for x
   x = 5,157,010,135.33/107,796.29
6. Step 6: Final answer
   x = 47,840.33