Finding the Fourth Proportional to 21,900.76, 32,842.62 and 7,106.10

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900.76 : 32,842.62 = 7,106.10 : x
2. Step 2: Convert to fraction form
   21,900.76/32,842.62 = 7,106.10/x
3. Step 3: Cross multiply
   21,900.76x = 32,842.62 × 7,106.10
4. Step 4: Simplify right side
   21,900.76x = 233,382,941.98
5. Step 5: Solve for x
   x = 233,382,941.98/21,900.76
6. Step 6: Final answer
   x = 10,656.39