Finding the Fourth Proportional to 64,748.06, 89,338.76 and 37,885.40

Step by Step Solution

1. Step 1: Write the proportion equation
   64,748.06 : 89,338.76 = 37,885.40 : x
2. Step 2: Convert to fraction form
   64,748.06/89,338.76 = 37,885.40/x
3. Step 3: Cross multiply
   64,748.06x = 89,338.76 × 37,885.40
4. Step 4: Simplify right side
   64,748.06x = 3,384,634,658.10
5. Step 5: Solve for x
   x = 3,384,634,658.10/64,748.06
6. Step 6: Final answer
   x = 52,273.92