Finding the Fourth Proportional to 52,850.55, 72,931.41 and 31,641.51

Step by Step Solution

1. Step 1: Write the proportion equation
   52,850.55 : 72,931.41 = 31,641.51 : x
2. Step 2: Convert to fraction form
   52,850.55/72,931.41 = 31,641.51/x
3. Step 3: Cross multiply
   52,850.55x = 72,931.41 × 31,641.51
4. Step 4: Simplify right side
   52,850.55x = 2,307,659,938.83
5. Step 5: Solve for x
   x = 2,307,659,938.83/52,850.55
6. Step 6: Final answer
   x = 43,663.88