Finding the Fourth Proportional to 21,814.06, 32,700.30 and 7,012.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,814.06 : 32,700.30 = 7,012.60 : x
2. Step 2: Convert to fraction form
   21,814.06/32,700.30 = 7,012.60/x
3. Step 3: Cross multiply
   21,814.06x = 32,700.30 × 7,012.60
4. Step 4: Simplify right side
   21,814.06x = 229,314,123.78
5. Step 5: Solve for x
   x = 229,314,123.78/21,814.06
6. Step 6: Final answer
   x = 10,512.22