Finding the Fourth Proportional to 67,798.10, 93,573.27 and 39,112.76

Step by Step Solution

1. Step 1: Write the proportion equation
   67,798.10 : 93,573.27 = 39,112.76 : x
2. Step 2: Convert to fraction form
   67,798.10/93,573.27 = 39,112.76/x
3. Step 3: Cross multiply
   67,798.10x = 93,573.27 × 39,112.76
4. Step 4: Simplify right side
   67,798.10x = 3,659,908,384.06
5. Step 5: Solve for x
   x = 3,659,908,384.06/67,798.10
6. Step 6: Final answer
   x = 53,982.47