Finding the Fourth Proportional to 64,288.69, 88,718.69 and 35,994.38

Step by Step Solution

1. Step 1: Write the proportion equation
   64,288.69 : 88,718.69 = 35,994.38 : x
2. Step 2: Convert to fraction form
   64,288.69/88,718.69 = 35,994.38/x
3. Step 3: Cross multiply
   64,288.69x = 88,718.69 × 35,994.38
4. Step 4: Simplify right side
   64,288.69x = 3,193,373,887.35
5. Step 5: Solve for x
   x = 3,193,373,887.35/64,288.69
6. Step 6: Final answer
   x = 49,672.41