Finding the Fourth Proportional to 52,297.16, 72,180.56 and 31,072.32

Step by Step Solution

1. Step 1: Write the proportion equation
   52,297.16 : 72,180.56 = 31,072.32 : x
2. Step 2: Convert to fraction form
   52,297.16/72,180.56 = 31,072.32/x
3. Step 3: Cross multiply
   52,297.16x = 72,180.56 × 31,072.32
4. Step 4: Simplify right side
   52,297.16x = 2,242,817,458.10
5. Step 5: Solve for x
   x = 2,242,817,458.10/52,297.16
6. Step 6: Final answer
   x = 42,886.03