Finding the Fourth Proportional to 84,424.72, 116,507.34 and 48,621.16

Step by Step Solution

1. Step 1: Write the proportion equation
   84,424.72 : 116,507.34 = 48,621.16 : x
2. Step 2: Convert to fraction form
   84,424.72/116,507.34 = 48,621.16/x
3. Step 3: Cross multiply
   84,424.72x = 116,507.34 × 48,621.16
4. Step 4: Simplify right side
   84,424.72x = 5,664,722,019.31
5. Step 5: Solve for x
   x = 5,664,722,019.31/84,424.72
6. Step 6: Final answer
   x = 67,097.91