Finding the Fourth Proportional to 64,860.89, 89,504.15 and 37,634.87

Step by Step Solution

1. Step 1: Write the proportion equation
   64,860.89 : 89,504.15 = 37,634.87 : x
2. Step 2: Convert to fraction form
   64,860.89/89,504.15 = 37,634.87/x
3. Step 3: Cross multiply
   64,860.89x = 89,504.15 × 37,634.87
4. Step 4: Simplify right side
   64,860.89x = 3,368,476,414.02
5. Step 5: Solve for x
   x = 3,368,476,414.02/64,860.89
6. Step 6: Final answer
   x = 51,933.86