Finding the Fourth Proportional to 51,238.50, 76,816.02 and 34,388.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,238.50 : 76,816.02 = 34,388.88 : x
2. Step 2: Convert to fraction form
   51,238.50/76,816.02 = 34,388.88/x
3. Step 3: Cross multiply
   51,238.50x = 76,816.02 × 34,388.88
4. Step 4: Simplify right side
   51,238.50x = 2,641,616,893.86
5. Step 5: Solve for x
   x = 2,641,616,893.86/51,238.50
6. Step 6: Final answer
   x = 51,555.31