Finding the Fourth Proportional to 21,769.04, 32,624.76 and 7,904.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,769.04 : 32,624.76 = 7,904.72 : x
2. Step 2: Convert to fraction form
   21,769.04/32,624.76 = 7,904.72/x
3. Step 3: Cross multiply
   21,769.04x = 32,624.76 × 7,904.72
4. Step 4: Simplify right side
   21,769.04x = 257,889,592.87
5. Step 5: Solve for x
   x = 257,889,592.87/21,769.04
6. Step 6: Final answer
   x = 11,846.62