Finding the Fourth Proportional to 52,743.80, 72,774.22 and 31,222.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,743.80 : 72,774.22 = 31,222.72 : x
2. Step 2: Convert to fraction form
   52,743.80/72,774.22 = 31,222.72/x
3. Step 3: Cross multiply
   52,743.80x = 72,774.22 × 31,222.72
4. Step 4: Simplify right side
   52,743.80x = 2,272,209,094.28
5. Step 5: Solve for x
   x = 2,272,209,094.28/52,743.80
6. Step 6: Final answer
   x = 43,080.12