Finding the Fourth Proportional to 83,527.42, 115,267.88 and 45,287

Step by Step Solution

1. Step 1: Write the proportion equation
   83,527.42 : 115,267.88 = 45,287 : x
2. Step 2: Convert to fraction form
   83,527.42/115,267.88 = 45,287/x
3. Step 3: Cross multiply
   83,527.42x = 115,267.88 × 45,287
4. Step 4: Simplify right side
   83,527.42x = 5,220,136,481.56
5. Step 5: Solve for x
   x = 5,220,136,481.56/83,527.42
6. Step 6: Final answer
   x = 62,496.08