Finding the Fourth Proportional to 112,771.29, 169,091.34 and 42,656.07

Step by Step Solution

1. Step 1: Write the proportion equation
   112,771.29 : 169,091.34 = 42,656.07 : x
2. Step 2: Convert to fraction form
   112,771.29/169,091.34 = 42,656.07/x
3. Step 3: Cross multiply
   112,771.29x = 169,091.34 × 42,656.07
4. Step 4: Simplify right side
   112,771.29x = 7,212,772,035.43
5. Step 5: Solve for x
   x = 7,212,772,035.43/112,771.29
6. Step 6: Final answer
   x = 63,959.29