Finding the Fourth Proportional to 123,065.28, 184,626.72 and 52,905.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,065.28 : 184,626.72 = 52,905.60 : x
2. Step 2: Convert to fraction form
   123,065.28/184,626.72 = 52,905.60/x
3. Step 3: Cross multiply
   123,065.28x = 184,626.72 × 52,905.60
4. Step 4: Simplify right side
   123,065.28x = 9,767,787,397.63
5. Step 5: Solve for x
   x = 9,767,787,397.63/123,065.28
6. Step 6: Final answer
   x = 79,370.78