Finding the Fourth Proportional to 64,862.88, 89,506.90 and 37,636.86

Step by Step Solution

1. Step 1: Write the proportion equation
   64,862.88 : 89,506.90 = 37,636.86 : x
2. Step 2: Convert to fraction form
   64,862.88/89,506.90 = 37,636.86/x
3. Step 3: Cross multiply
   64,862.88x = 89,506.90 × 37,636.86
4. Step 4: Simplify right side
   64,862.88x = 3,368,758,664.33
5. Step 5: Solve for x
   x = 3,368,758,664.33/64,862.88
6. Step 6: Final answer
   x = 51,936.62