Finding the Fourth Proportional to 64,671.63, 89,219.28 and 37,061.67

Step by Step Solution

1. Step 1: Write the proportion equation
   64,671.63 : 89,219.28 = 37,061.67 : x
2. Step 2: Convert to fraction form
   64,671.63/89,219.28 = 37,061.67/x
3. Step 3: Cross multiply
   64,671.63x = 89,219.28 × 37,061.67
4. Step 4: Simplify right side
   64,671.63x = 3,306,615,513.00
5. Step 5: Solve for x
   x = 3,306,615,513.00/64,671.63
6. Step 6: Final answer
   x = 51,129.31