Finding the Fourth Proportional to 82,860.56, 114,347.40 and 45,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   82,860.56 : 114,347.40 = 45,134.72 : x
2. Step 2: Convert to fraction form
   82,860.56/114,347.40 = 45,134.72/x
3. Step 3: Cross multiply
   82,860.56x = 114,347.40 × 45,134.72
4. Step 4: Simplify right side
   82,860.56x = 5,161,037,881.73
5. Step 5: Solve for x
   x = 5,161,037,881.73/82,860.56
6. Step 6: Final answer
   x = 62,285.82