Finding the Fourth Proportional to 21,392.46, 32,091.57 and 7,538.22

Step by Step Solution

1. Step 1: Write the proportion equation
   21,392.46 : 32,091.57 = 7,538.22 : x
2. Step 2: Convert to fraction form
   21,392.46/32,091.57 = 7,538.22/x
3. Step 3: Cross multiply
   21,392.46x = 32,091.57 × 7,538.22
4. Step 4: Simplify right side
   21,392.46x = 241,913,314.81
5. Step 5: Solve for x
   x = 241,913,314.81/21,392.46
6. Step 6: Final answer
   x = 11,308.34