Finding the Fourth Proportional to 21,937.86, 32,910.03 and 7,142.00

Step by Step Solution

1. Step 1: Write the proportion equation
   21,937.86 : 32,910.03 = 7,142.00 : x
2. Step 2: Convert to fraction form
   21,937.86/32,910.03 = 7,142.00/x
3. Step 3: Cross multiply
   21,937.86x = 32,910.03 × 7,142.00
4. Step 4: Simplify right side
   21,937.86x = 235,043,269.71
5. Step 5: Solve for x
   x = 235,043,269.71/21,937.86
6. Step 6: Final answer
   x = 10,714.05