Finding the Fourth Proportional to 34,061.78, 47,004.50 and 19,722.21

Step by Step Solution

1. Step 1: Write the proportion equation
   34,061.78 : 47,004.50 = 19,722.21 : x
2. Step 2: Convert to fraction form
   34,061.78/47,004.50 = 19,722.21/x
3. Step 3: Cross multiply
   34,061.78x = 47,004.50 × 19,722.21
4. Step 4: Simplify right side
   34,061.78x = 927,032,521.33
5. Step 5: Solve for x
   x = 927,032,521.33/34,061.78
6. Step 6: Final answer
   x = 27,216.21