Finding the Fourth Proportional to 49,223.76, 67,785.83 and 42,760.43

Step by Step Solution

1. Step 1: Write the proportion equation
   49,223.76 : 67,785.83 = 42,760.43 : x
2. Step 2: Convert to fraction form
   49,223.76/67,785.83 = 42,760.43/x
3. Step 3: Cross multiply
   49,223.76x = 67,785.83 × 42,760.43
4. Step 4: Simplify right side
   49,223.76x = 2,898,551,238.71
5. Step 5: Solve for x
   x = 2,898,551,238.71/49,223.76
6. Step 6: Final answer
   x = 58,885.21