Finding the Fourth Proportional to 58,340.78, 80,619.27 and 47,726.54

Step by Step Solution

1. Step 1: Write the proportion equation
   58,340.78 : 80,619.27 = 47,726.54 : x
2. Step 2: Convert to fraction form
   58,340.78/80,619.27 = 47,726.54/x
3. Step 3: Cross multiply
   58,340.78x = 80,619.27 × 47,726.54
4. Step 4: Simplify right side
   58,340.78x = 3,847,678,814.43
5. Step 5: Solve for x
   x = 3,847,678,814.43/58,340.78
6. Step 6: Final answer
   x = 65,951.79