Finding the Fourth Proportional to 52,759.04, 79,177.28 and 42,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,759.04 : 79,177.28 = 42,494.72 : x
2. Step 2: Convert to fraction form
   52,759.04/79,177.28 = 42,494.72/x
3. Step 3: Cross multiply
   52,759.04x = 79,177.28 × 42,494.72
4. Step 4: Simplify right side
   52,759.04x = 3,364,616,343.96
5. Step 5: Solve for x
   x = 3,364,616,343.96/52,759.04
6. Step 6: Final answer
   x = 63,773.27