Finding the Fourth Proportional to 21,630.52, 32,437.86 and 10,533.88

Step by Step Solution

1. Step 1: Write the proportion equation
   21,630.52 : 32,437.86 = 10,533.88 : x
2. Step 2: Convert to fraction form
   21,630.52/32,437.86 = 10,533.88/x
3. Step 3: Cross multiply
   21,630.52x = 32,437.86 × 10,533.88
4. Step 4: Simplify right side
   21,630.52x = 341,696,524.70
5. Step 5: Solve for x
   x = 341,696,524.70/21,630.52
6. Step 6: Final answer
   x = 15,796.96