Finding the Fourth Proportional to 64,488.53, 88,989.83 and 35,806.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,488.53 : 88,989.83 = 35,806.72 : x
2. Step 2: Convert to fraction form
   64,488.53/88,989.83 = 35,806.72/x
3. Step 3: Cross multiply
   64,488.53x = 88,989.83 × 35,806.72
4. Step 4: Simplify right side
   64,488.53x = 3,186,433,480.71
5. Step 5: Solve for x
   x = 3,186,433,480.71/64,488.53
6. Step 6: Final answer
   x = 49,410.86