Finding the Fourth Proportional to 32,680.71, 45,108.90 and 21,351.93

Step by Step Solution

1. Step 1: Write the proportion equation
   32,680.71 : 45,108.90 = 21,351.93 : x
2. Step 2: Convert to fraction form
   32,680.71/45,108.90 = 21,351.93/x
3. Step 3: Cross multiply
   32,680.71x = 45,108.90 × 21,351.93
4. Step 4: Simplify right side
   32,680.71x = 963,162,075.18
5. Step 5: Solve for x
   x = 963,162,075.18/32,680.71
6. Step 6: Final answer
   x = 29,471.88