Finding the Fourth Proportional to 82,780, 114,236.40 and 45,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   82,780 : 114,236.40 = 45,054.52 : x
2. Step 2: Convert to fraction form
   82,780/114,236.40 = 45,054.52/x
3. Step 3: Cross multiply
   82,780x = 114,236.40 × 45,054.52
4. Step 4: Simplify right side
   82,780x = 5,146,866,168.53
5. Step 5: Solve for x
   x = 5,146,866,168.53/82,780
6. Step 6: Final answer
   x = 62,175.24