Finding the Fourth Proportional to 64,146.72, 88,522.68 and 37,289.76

Step by Step Solution

1. Step 1: Write the proportion equation
   64,146.72 : 88,522.68 = 37,289.76 : x
2. Step 2: Convert to fraction form
   64,146.72/88,522.68 = 37,289.76/x
3. Step 3: Cross multiply
   64,146.72x = 88,522.68 × 37,289.76
4. Step 4: Simplify right side
   64,146.72x = 3,300,989,491.76
5. Step 5: Solve for x
   x = 3,300,989,491.76/64,146.72
6. Step 6: Final answer
   x = 51,459.99