Finding the Fourth Proportional to 21,053.85, 31,580.51 and 6,061.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,053.85 : 31,580.51 = 6,061.37 : x
2. Step 2: Convert to fraction form
   21,053.85/31,580.51 = 6,061.37/x
3. Step 3: Cross multiply
   21,053.85x = 31,580.51 × 6,061.37
4. Step 4: Simplify right side
   21,053.85x = 191,420,967.69
5. Step 5: Solve for x
   x = 191,420,967.69/21,053.85
6. Step 6: Final answer
   x = 9,091.97