Finding the Fourth Proportional to 82,856.50, 114,342.42 and 45,130.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,856.50 : 114,342.42 = 45,130.84 : x
2. Step 2: Convert to fraction form
   82,856.50/114,342.42 = 45,130.84/x
3. Step 3: Cross multiply
   82,856.50x = 114,342.42 × 45,130.84
4. Step 4: Simplify right side
   82,856.50x = 5,160,369,462.23
5. Step 5: Solve for x
   x = 5,160,369,462.23/82,856.50
6. Step 6: Final answer
   x = 62,280.80