Finding the Fourth Proportional to 76,693.84, 105,828.06 and 42,693.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,693.84 : 105,828.06 = 42,693.82 : x
2. Step 2: Convert to fraction form
   76,693.84/105,828.06 = 42,693.82/x
3. Step 3: Cross multiply
   76,693.84x = 105,828.06 × 42,693.82
4. Step 4: Simplify right side
   76,693.84x = 4,518,204,144.59
5. Step 5: Solve for x
   x = 4,518,204,144.59/76,693.84
6. Step 6: Final answer
   x = 58,912.22