Finding the Fourth Proportional to 21,388.96, 32,086.32 and 7,534.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,388.96 : 32,086.32 = 7,534.72 : x
2. Step 2: Convert to fraction form
   21,388.96/32,086.32 = 7,534.72/x
3. Step 3: Cross multiply
   21,388.96x = 32,086.32 × 7,534.72
4. Step 4: Simplify right side
   21,388.96x = 241,761,437.03
5. Step 5: Solve for x
   x = 241,761,437.03/21,388.96
6. Step 6: Final answer
   x = 11,303.09