Finding the Fourth Proportional to 64,128.38, 88,494.53 and 37,270.67

Step by Step Solution

1. Step 1: Write the proportion equation
   64,128.38 : 88,494.53 = 37,270.67 : x
2. Step 2: Convert to fraction form
   64,128.38/88,494.53 = 37,270.67/x
3. Step 3: Cross multiply
   64,128.38x = 88,494.53 × 37,270.67
4. Step 4: Simplify right side
   64,128.38x = 3,298,249,795.61
5. Step 5: Solve for x
   x = 3,298,249,795.61/64,128.38
6. Step 6: Final answer
   x = 51,431.99