Finding the Fourth Proportional to 105,081.89, 157,624.21 and 34,961.20

Step by Step Solution

1. Step 1: Write the proportion equation
   105,081.89 : 157,624.21 = 34,961.20 : x
2. Step 2: Convert to fraction form
   105,081.89/157,624.21 = 34,961.20/x
3. Step 3: Cross multiply
   105,081.89x = 157,624.21 × 34,961.20
4. Step 4: Simplify right side
   105,081.89x = 5,510,732,066.93
5. Step 5: Solve for x
   x = 5,510,732,066.93/105,081.89
6. Step 6: Final answer
   x = 52,442.26