Finding the Fourth Proportional to 224,072.86, 309,216.56 and 122,099.04

Step by Step Solution

1. Step 1: Write the proportion equation
   224,072.86 : 309,216.56 = 122,099.04 : x
2. Step 2: Convert to fraction form
   224,072.86/309,216.56 = 122,099.04/x
3. Step 3: Cross multiply
   224,072.86x = 309,216.56 × 122,099.04
4. Step 4: Simplify right side
   224,072.86x = 37,755,045,128.10
5. Step 5: Solve for x
   x = 37,755,045,128.10/224,072.86
6. Step 6: Final answer
   x = 168,494.50