Finding the Fourth Proportional to 52,623.32, 72,620.02 and 31,127.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,623.32 : 72,620.02 = 31,127.84 : x
2. Step 2: Convert to fraction form
   52,623.32/72,620.02 = 31,127.84/x
3. Step 3: Cross multiply
   52,623.32x = 72,620.02 × 31,127.84
4. Step 4: Simplify right side
   52,623.32x = 2,260,504,632.43
5. Step 5: Solve for x
   x = 2,260,504,632.43/52,623.32
6. Step 6: Final answer
   x = 42,956.33