Finding the Fourth Proportional to 76,216.02, 105,155.34 and 49,315.92

Step by Step Solution

1. Step 1: Write the proportion equation
   76,216.02 : 105,155.34 = 49,315.92 : x
2. Step 2: Convert to fraction form
   76,216.02/105,155.34 = 49,315.92/x
3. Step 3: Cross multiply
   76,216.02x = 105,155.34 × 49,315.92
4. Step 4: Simplify right side
   76,216.02x = 5,185,832,335.01
5. Step 5: Solve for x
   x = 5,185,832,335.01/76,216.02
6. Step 6: Final answer
   x = 68,041.24