Finding the Fourth Proportional to 21,085.19, 31,632.33 and 7,937.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,085.19 : 31,632.33 = 7,937.52 : x
2. Step 2: Convert to fraction form
   21,085.19/31,632.33 = 7,937.52/x
3. Step 3: Cross multiply
   21,085.19x = 31,632.33 × 7,937.52
4. Step 4: Simplify right side
   21,085.19x = 251,082,252.02
5. Step 5: Solve for x
   x = 251,082,252.02/21,085.19
6. Step 6: Final answer
   x = 11,907.99