Finding the Fourth Proportional to 52,485.24, 72,422.32 and 30,975.88

Step by Step Solution

1. Step 1: Write the proportion equation
   52,485.24 : 72,422.32 = 30,975.88 : x
2. Step 2: Convert to fraction form
   52,485.24/72,422.32 = 30,975.88/x
3. Step 3: Cross multiply
   52,485.24x = 72,422.32 × 30,975.88
4. Step 4: Simplify right side
   52,485.24x = 2,243,345,222.89
5. Step 5: Solve for x
   x = 2,243,345,222.89/52,485.24
6. Step 6: Final answer
   x = 42,742.40