Finding the Fourth Proportional to 112,978.12, 169,468.38 and 34,093.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,978.12 : 169,468.38 = 34,093.04 : x
2. Step 2: Convert to fraction form
   112,978.12/169,468.38 = 34,093.04/x
3. Step 3: Cross multiply
   112,978.12x = 169,468.38 × 34,093.04
4. Step 4: Simplify right side
   112,978.12x = 5,777,692,258.08
5. Step 5: Solve for x
   x = 5,777,692,258.08/112,978.12
6. Step 6: Final answer
   x = 51,139.92