Finding the Fourth Proportional to 22,415.78, 30,937.47 and 17,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   22,415.78 : 30,937.47 = 17,100.56 : x
2. Step 2: Convert to fraction form
   22,415.78/30,937.47 = 17,100.56/x
3. Step 3: Cross multiply
   22,415.78x = 30,937.47 × 17,100.56
4. Step 4: Simplify right side
   22,415.78x = 529,048,061.98
5. Step 5: Solve for x
   x = 529,048,061.98/22,415.78
6. Step 6: Final answer
   x = 23,601.59