Finding the Fourth Proportional to 113,287.28, 169,919.92 and 34,402.20

Step by Step Solution

1. Step 1: Write the proportion equation
   113,287.28 : 169,919.92 = 34,402.20 : x
2. Step 2: Convert to fraction form
   113,287.28/169,919.92 = 34,402.20/x
3. Step 3: Cross multiply
   113,287.28x = 169,919.92 × 34,402.20
4. Step 4: Simplify right side
   113,287.28x = 5,845,619,071.82
5. Step 5: Solve for x
   x = 5,845,619,071.82/113,287.28
6. Step 6: Final answer
   x = 51,599.96