Finding the Fourth Proportional to 42,847.21, 64,231.45 and 14,760.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,847.21 : 64,231.45 = 14,760.59 : x
2. Step 2: Convert to fraction form
   42,847.21/64,231.45 = 14,760.59/x
3. Step 3: Cross multiply
   42,847.21x = 64,231.45 × 14,760.59
4. Step 4: Simplify right side
   42,847.21x = 948,094,098.56
5. Step 5: Solve for x
   x = 948,094,098.56/42,847.21
6. Step 6: Final answer
   x = 22,127.32