Finding the Fourth Proportional to 82,864.84, 114,354.60 and 45,139

Step by Step Solution

1. Step 1: Write the proportion equation
   82,864.84 : 114,354.60 = 45,139 : x
2. Step 2: Convert to fraction form
   82,864.84/114,354.60 = 45,139/x
3. Step 3: Cross multiply
   82,864.84x = 114,354.60 × 45,139
4. Step 4: Simplify right side
   82,864.84x = 5,161,852,289.40
5. Step 5: Solve for x
   x = 5,161,852,289.40/82,864.84
6. Step 6: Final answer
   x = 62,292.43