Finding the Fourth Proportional to 21,051.42, 29,046.51 and 12,098.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,051.42 : 29,046.51 = 12,098.22 : x
2. Step 2: Convert to fraction form
   21,051.42/29,046.51 = 12,098.22/x
3. Step 3: Cross multiply
   21,051.42x = 29,046.51 × 12,098.22
4. Step 4: Simplify right side
   21,051.42x = 351,411,068.21
5. Step 5: Solve for x
   x = 351,411,068.21/21,051.42
6. Step 6: Final answer
   x = 16,692.99