Finding the Fourth Proportional to 67,188.28, 100,844.72 and 33,931.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67,188.28 : 100,844.72 = 33,931.76 : x
2. Step 2: Convert to fraction form
   67,188.28/100,844.72 = 33,931.76/x
3. Step 3: Cross multiply
   67,188.28x = 100,844.72 × 33,931.76
4. Step 4: Simplify right side
   67,188.28x = 3,421,838,836.31
5. Step 5: Solve for x
   x = 3,421,838,836.31/67,188.28
6. Step 6: Final answer
   x = 50,929.10