Finding the Fourth Proportional to 113,287.69, 169,920.49 and 34,402.60

Step by Step Solution

1. Step 1: Write the proportion equation
   113,287.69 : 169,920.49 = 34,402.60 : x
2. Step 2: Convert to fraction form
   113,287.69/169,920.49 = 34,402.60/x
3. Step 3: Cross multiply
   113,287.69x = 169,920.49 × 34,402.60
4. Step 4: Simplify right side
   113,287.69x = 5,845,705,799.67
5. Step 5: Solve for x
   x = 5,845,705,799.67/113,287.69
6. Step 6: Final answer
   x = 51,600.54