Finding the Fourth Proportional to 112,991.04, 169,487.76 and 34,105.92

Step by Step Solution

1. Step 1: Write the proportion equation
   112,991.04 : 169,487.76 = 34,105.92 : x
2. Step 2: Convert to fraction form
   112,991.04/169,487.76 = 34,105.92/x
3. Step 3: Cross multiply
   112,991.04x = 169,487.76 × 34,105.92
4. Step 4: Simplify right side
   112,991.04x = 5,780,535,983.54
5. Step 5: Solve for x
   x = 5,780,535,983.54/112,991.04
6. Step 6: Final answer
   x = 51,159.24