Finding the Fourth Proportional to 112,607.81, 168,958.79 and 49,395.31

Step by Step Solution

1. Step 1: Write the proportion equation
   112,607.81 : 168,958.79 = 49,395.31 : x
2. Step 2: Convert to fraction form
   112,607.81/168,958.79 = 49,395.31/x
3. Step 3: Cross multiply
   112,607.81x = 168,958.79 × 49,395.31
4. Step 4: Simplify right side
   112,607.81x = 8,345,771,809.27
5. Step 5: Solve for x
   x = 8,345,771,809.27/112,607.81
6. Step 6: Final answer
   x = 74,113.61