Finding the Fourth Proportional to 52,801.98, 79,139.76 and 36,920.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,801.98 : 79,139.76 = 36,920.34 : x
2. Step 2: Convert to fraction form
   52,801.98/79,139.76 = 36,920.34/x
3. Step 3: Cross multiply
   52,801.98x = 79,139.76 × 36,920.34
4. Step 4: Simplify right side
   52,801.98x = 2,921,866,846.72
5. Step 5: Solve for x
   x = 2,921,866,846.72/52,801.98
6. Step 6: Final answer
   x = 55,336.31