Finding the Fourth Proportional to 82,799.61, 124,089.25 and 45,303.09

Step by Step Solution

1. Step 1: Write the proportion equation
   82,799.61 : 124,089.25 = 45,303.09 : x
2. Step 2: Convert to fraction form
   82,799.61/124,089.25 = 45,303.09/x
3. Step 3: Cross multiply
   82,799.61x = 124,089.25 × 45,303.09
4. Step 4: Simplify right side
   82,799.61x = 5,621,626,460.78
5. Step 5: Solve for x
   x = 5,621,626,460.78/82,799.61
6. Step 6: Final answer
   x = 67,894.36