Finding the Fourth Proportional to 224,622.08, 309,978.56 and 124,020.16

Step by Step Solution

1. Step 1: Write the proportion equation
   224,622.08 : 309,978.56 = 124,020.16 : x
2. Step 2: Convert to fraction form
   224,622.08/309,978.56 = 124,020.16/x
3. Step 3: Cross multiply
   224,622.08x = 309,978.56 × 124,020.16
4. Step 4: Simplify right side
   224,622.08x = 38,443,590,607.77
5. Step 5: Solve for x
   x = 38,443,590,607.77/224,622.08
6. Step 6: Final answer
   x = 171,147.87