Finding the Fourth Proportional to 34,485.33, 47,594.90 and 21,064.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,485.33 : 47,594.90 = 21,064.31 : x
2. Step 2: Convert to fraction form
   34,485.33/47,594.90 = 21,064.31/x
3. Step 3: Cross multiply
   34,485.33x = 47,594.90 × 21,064.31
4. Step 4: Simplify right side
   34,485.33x = 1,002,553,384.72
5. Step 5: Solve for x
   x = 1,002,553,384.72/34,485.33
6. Step 6: Final answer
   x = 29,071.88