Finding the Fourth Proportional to 31,491.69, 47,237.48 and 21,601.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,491.69 : 47,237.48 = 21,601.02 : x
2. Step 2: Convert to fraction form
   31,491.69/47,237.48 = 21,601.02/x
3. Step 3: Cross multiply
   31,491.69x = 47,237.48 × 21,601.02
4. Step 4: Simplify right side
   31,491.69x = 1,020,377,642.22
5. Step 5: Solve for x
   x = 1,020,377,642.22/31,491.69
6. Step 6: Final answer
   x = 32,401.49