Finding the Fourth Proportional to 21,010.16, 31,495.76 and 7,852.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,010.16 : 31,495.76 = 7,852.52 : x
2. Step 2: Convert to fraction form
   21,010.16/31,495.76 = 7,852.52/x
3. Step 3: Cross multiply
   21,010.16x = 31,495.76 × 7,852.52
4. Step 4: Simplify right side
   21,010.16x = 247,321,085.32
5. Step 5: Solve for x
   x = 247,321,085.32/21,010.16
6. Step 6: Final answer
   x = 11,771.50