Finding the Fourth Proportional to 52,846.77, 72,930.80 and 31,621.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,846.77 : 72,930.80 = 31,621.94 : x
2. Step 2: Convert to fraction form
   52,846.77/72,930.80 = 31,621.94/x
3. Step 3: Cross multiply
   52,846.77x = 72,930.80 × 31,621.94
4. Step 4: Simplify right side
   52,846.77x = 2,306,213,096.15
5. Step 5: Solve for x
   x = 2,306,213,096.15/52,846.77
6. Step 6: Final answer
   x = 43,639.62