Finding the Fourth Proportional to 79,729.42, 110,031.34 and 45,737.68

Step by Step Solution

1. Step 1: Write the proportion equation
   79,729.42 : 110,031.34 = 45,737.68 : x
2. Step 2: Convert to fraction form
   79,729.42/110,031.34 = 45,737.68/x
3. Step 3: Cross multiply
   79,729.42x = 110,031.34 × 45,737.68
4. Step 4: Simplify right side
   79,729.42x = 5,032,578,218.89
5. Step 5: Solve for x
   x = 5,032,578,218.89/79,729.42
6. Step 6: Final answer
   x = 63,120.72