Finding the Fourth Proportional to 34,092.91, 47,038.71 and 21,988.27

Step by Step Solution

1. Step 1: Write the proportion equation
   34,092.91 : 47,038.71 = 21,988.27 : x
2. Step 2: Convert to fraction form
   34,092.91/47,038.71 = 21,988.27/x
3. Step 3: Cross multiply
   34,092.91x = 47,038.71 × 21,988.27
4. Step 4: Simplify right side
   34,092.91x = 1,034,299,855.93
5. Step 5: Solve for x
   x = 1,034,299,855.93/34,092.91
6. Step 6: Final answer
   x = 30,337.68