Finding the Fourth Proportional to 76,168.17, 105,111.99 and 42,634.17

Step by Step Solution

1. Step 1: Write the proportion equation
   76,168.17 : 105,111.99 = 42,634.17 : x
2. Step 2: Convert to fraction form
   76,168.17/105,111.99 = 42,634.17/x
3. Step 3: Cross multiply
   76,168.17x = 105,111.99 × 42,634.17
4. Step 4: Simplify right side
   76,168.17x = 4,481,362,450.70
5. Step 5: Solve for x
   x = 4,481,362,450.70/76,168.17
6. Step 6: Final answer
   x = 58,835.11