Finding the Fourth Proportional to 64,562.74, 89,094.78 and 35,881.67

Step by Step Solution

1. Step 1: Write the proportion equation
   64,562.74 : 89,094.78 = 35,881.67 : x
2. Step 2: Convert to fraction form
   64,562.74/89,094.78 = 35,881.67/x
3. Step 3: Cross multiply
   64,562.74x = 89,094.78 × 35,881.67
4. Step 4: Simplify right side
   64,562.74x = 3,196,869,717.42
5. Step 5: Solve for x
   x = 3,196,869,717.42/64,562.74
6. Step 6: Final answer
   x = 49,515.71