Finding the Fourth Proportional to 52,480.12, 72,386.56 and 31,243

Step by Step Solution

1. Step 1: Write the proportion equation
   52,480.12 : 72,386.56 = 31,243 : x
2. Step 2: Convert to fraction form
   52,480.12/72,386.56 = 31,243/x
3. Step 3: Cross multiply
   52,480.12x = 72,386.56 × 31,243
4. Step 4: Simplify right side
   52,480.12x = 2,261,573,294.08
5. Step 5: Solve for x
   x = 2,261,573,294.08/52,480.12
6. Step 6: Final answer
   x = 43,093.90