Finding the Fourth Proportional to 76,753.31, 105,927.35 and 42,767.33

Step by Step Solution

1. Step 1: Write the proportion equation
   76,753.31 : 105,927.35 = 42,767.33 : x
2. Step 2: Convert to fraction form
   76,753.31/105,927.35 = 42,767.33/x
3. Step 3: Cross multiply
   76,753.31x = 105,927.35 × 42,767.33
4. Step 4: Simplify right side
   76,753.31x = 4,530,229,190.00
5. Step 5: Solve for x
   x = 4,530,229,190.00/76,753.31
6. Step 6: Final answer
   x = 59,023.25