Finding the Fourth Proportional to 76,185.24, 105,127.62 and 42,192.83

Step by Step Solution

1. Step 1: Write the proportion equation
   76,185.24 : 105,127.62 = 42,192.83 : x
2. Step 2: Convert to fraction form
   76,185.24/105,127.62 = 42,192.83/x
3. Step 3: Cross multiply
   76,185.24x = 105,127.62 × 42,192.83
4. Step 4: Simplify right side
   76,185.24x = 4,435,631,903.56
5. Step 5: Solve for x
   x = 4,435,631,903.56/76,185.24
6. Step 6: Final answer
   x = 58,221.67