Finding the Fourth Proportional to 82,747.50, 114,191.82 and 45,021.78

Step by Step Solution

1. Step 1: Write the proportion equation
   82,747.50 : 114,191.82 = 45,021.78 : x
2. Step 2: Convert to fraction form
   82,747.50/114,191.82 = 45,021.78/x
3. Step 3: Cross multiply
   82,747.50x = 114,191.82 × 45,021.78
4. Step 4: Simplify right side
   82,747.50x = 5,141,118,997.84
5. Step 5: Solve for x
   x = 5,141,118,997.84/82,747.50
6. Step 6: Final answer
   x = 62,130.20