Finding the Fourth Proportional to 52,880.76, 72,968.58 and 31,655.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,880.76 : 72,968.58 = 31,655.52 : x
2. Step 2: Convert to fraction form
   52,880.76/72,968.58 = 31,655.52/x
3. Step 3: Cross multiply
   52,880.76x = 72,968.58 × 31,655.52
4. Step 4: Simplify right side
   52,880.76x = 2,309,858,343.56
5. Step 5: Solve for x
   x = 2,309,858,343.56/52,880.76
6. Step 6: Final answer
   x = 43,680.51