Finding the Fourth Proportional to 82,900.28, 114,402.35 and 45,174.53

Step by Step Solution

1. Step 1: Write the proportion equation
   82,900.28 : 114,402.35 = 45,174.53 : x
2. Step 2: Convert to fraction form
   82,900.28/114,402.35 = 45,174.53/x
3. Step 3: Cross multiply
   82,900.28x = 114,402.35 × 45,174.53
4. Step 4: Simplify right side
   82,900.28x = 5,168,071,594.26
5. Step 5: Solve for x
   x = 5,168,071,594.26/82,900.28
6. Step 6: Final answer
   x = 62,340.83