Finding the Fourth Proportional to 52,688.56, 72,715.06 and 31,467.37

Step by Step Solution

1. Step 1: Write the proportion equation
   52,688.56 : 72,715.06 = 31,467.37 : x
2. Step 2: Convert to fraction form
   52,688.56/72,715.06 = 31,467.37/x
3. Step 3: Cross multiply
   52,688.56x = 72,715.06 × 31,467.37
4. Step 4: Simplify right side
   52,688.56x = 2,288,151,334.02
5. Step 5: Solve for x
   x = 2,288,151,334.02/52,688.56
6. Step 6: Final answer
   x = 43,427.86