Finding the Fourth Proportional to 64,081.06, 88,428.18 and 38,268.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,081.06 : 88,428.18 = 38,268.72 : x
2. Step 2: Convert to fraction form
   64,081.06/88,428.18 = 38,268.72/x
3. Step 3: Cross multiply
   64,081.06x = 88,428.18 × 38,268.72
4. Step 4: Simplify right side
   64,081.06x = 3,384,033,260.53
5. Step 5: Solve for x
   x = 3,384,033,260.53/64,081.06
6. Step 6: Final answer
   x = 52,808.63