Finding the Fourth Proportional to 34,208.05, 47,193.89 and 21,456.01

Step by Step Solution

1. Step 1: Write the proportion equation
   34,208.05 : 47,193.89 = 21,456.01 : x
2. Step 2: Convert to fraction form
   34,208.05/47,193.89 = 21,456.01/x
3. Step 3: Cross multiply
   34,208.05x = 47,193.89 × 21,456.01
4. Step 4: Simplify right side
   34,208.05x = 1,012,592,575.78
5. Step 5: Solve for x
   x = 1,012,592,575.78/34,208.05
6. Step 6: Final answer
   x = 29,601.00