Finding the Fourth Proportional to 82,904.40, 114,408.72 and 45,178.56

Step by Step Solution

1. Step 1: Write the proportion equation
   82,904.40 : 114,408.72 = 45,178.56 : x
2. Step 2: Convert to fraction form
   82,904.40/114,408.72 = 45,178.56/x
3. Step 3: Cross multiply
   82,904.40x = 114,408.72 × 45,178.56
4. Step 4: Simplify right side
   82,904.40x = 5,168,821,221.04
5. Step 5: Solve for x
   x = 5,168,821,221.04/82,904.40
6. Step 6: Final answer
   x = 62,346.77