Finding the Fourth Proportional to 21,048.24, 29,051.56 and 12,100.94

Step by Step Solution

1. Step 1: Write the proportion equation
   21,048.24 : 29,051.56 = 12,100.94 : x
2. Step 2: Convert to fraction form
   21,048.24/29,051.56 = 12,100.94/x
3. Step 3: Cross multiply
   21,048.24x = 29,051.56 × 12,100.94
4. Step 4: Simplify right side
   21,048.24x = 351,551,184.47
5. Step 5: Solve for x
   x = 351,551,184.47/21,048.24
6. Step 6: Final answer
   x = 16,702.17