Finding the Fourth Proportional to 21,465.32, 32,203.83 and 10,372.02

Step by Step Solution

1. Step 1: Write the proportion equation
   21,465.32 : 32,203.83 = 10,372.02 : x
2. Step 2: Convert to fraction form
   21,465.32/32,203.83 = 10,372.02/x
3. Step 3: Cross multiply
   21,465.32x = 32,203.83 × 10,372.02
4. Step 4: Simplify right side
   21,465.32x = 334,018,729.37
5. Step 5: Solve for x
   x = 334,018,729.37/21,465.32
6. Step 6: Final answer
   x = 15,560.86