Finding the Fourth Proportional to 82,915.80, 114,426.98 and 45,190.05

Step by Step Solution

1. Step 1: Write the proportion equation
   82,915.80 : 114,426.98 = 45,190.05 : x
2. Step 2: Convert to fraction form
   82,915.80/114,426.98 = 45,190.05/x
3. Step 3: Cross multiply
   82,915.80x = 114,426.98 × 45,190.05
4. Step 4: Simplify right side
   82,915.80x = 5,170,960,721.60
5. Step 5: Solve for x
   x = 5,170,960,721.60/82,915.80
6. Step 6: Final answer
   x = 62,364.00