Finding the Fourth Proportional to 22,900.48, 31,586.89 and 16,108.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,900.48 : 31,586.89 = 16,108.91 : x
2. Step 2: Convert to fraction form
   22,900.48/31,586.89 = 16,108.91/x
3. Step 3: Cross multiply
   22,900.48x = 31,586.89 × 16,108.91
4. Step 4: Simplify right side
   22,900.48x = 508,830,368.19
5. Step 5: Solve for x
   x = 508,830,368.19/22,900.48
6. Step 6: Final answer
   x = 22,219.20