Finding the Fourth Proportional to 79,300.42, 109,424.47 and 45,311.10

Step by Step Solution

1. Step 1: Write the proportion equation
   79,300.42 : 109,424.47 = 45,311.10 : x
2. Step 2: Convert to fraction form
   79,300.42/109,424.47 = 45,311.10/x
3. Step 3: Cross multiply
   79,300.42x = 109,424.47 × 45,311.10
4. Step 4: Simplify right side
   79,300.42x = 4,958,142,663.96
5. Step 5: Solve for x
   x = 4,958,142,663.96/79,300.42
6. Step 6: Final answer
   x = 62,523.54