Finding the Fourth Proportional to 112,961.89, 169,444.04 and 34,076.80

Step by Step Solution

1. Step 1: Write the proportion equation
   112,961.89 : 169,444.04 = 34,076.80 : x
2. Step 2: Convert to fraction form
   112,961.89/169,444.04 = 34,076.80/x
3. Step 3: Cross multiply
   112,961.89x = 169,444.04 × 34,076.80
4. Step 4: Simplify right side
   112,961.89x = 5,774,109,900.24
5. Step 5: Solve for x
   x = 5,774,109,900.24/112,961.89
6. Step 6: Final answer
   x = 51,115.56