Finding the Fourth Proportional to 32,902.56, 45,384.61 and 21,572.79

Step by Step Solution

1. Step 1: Write the proportion equation
   32,902.56 : 45,384.61 = 21,572.79 : x
2. Step 2: Convert to fraction form
   32,902.56/45,384.61 = 21,572.79/x
3. Step 3: Cross multiply
   32,902.56x = 45,384.61 × 21,572.79
4. Step 4: Simplify right side
   32,902.56x = 979,072,660.76
5. Step 5: Solve for x
   x = 979,072,660.76/32,902.56
6. Step 6: Final answer
   x = 29,756.73