Finding the Fourth Proportional to 79,920.02, 110,293.30 and 45,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,920.02 : 110,293.30 = 45,939.50 : x
2. Step 2: Convert to fraction form
   79,920.02/110,293.30 = 45,939.50/x
3. Step 3: Cross multiply
   79,920.02x = 110,293.30 × 45,939.50
4. Step 4: Simplify right side
   79,920.02x = 5,066,819,055.35
5. Step 5: Solve for x
   x = 5,066,819,055.35/79,920.02
6. Step 6: Final answer
   x = 63,398.62