Finding the Fourth Proportional to 78,314.08, 108,160.72 and 53,119.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,314.08 : 108,160.72 = 53,119.84 : x
2. Step 2: Convert to fraction form
   78,314.08/108,160.72 = 53,119.84/x
3. Step 3: Cross multiply
   78,314.08x = 108,160.72 × 53,119.84
4. Step 4: Simplify right side
   78,314.08x = 5,745,480,140.68
5. Step 5: Solve for x
   x = 5,745,480,140.68/78,314.08
6. Step 6: Final answer
   x = 73,364.59