Finding the Fourth Proportional to 224,000.78, 336,176.12 and 83,799.50

Step by Step Solution

1. Step 1: Write the proportion equation
   224,000.78 : 336,176.12 = 83,799.50 : x
2. Step 2: Convert to fraction form
   224,000.78/336,176.12 = 83,799.50/x
3. Step 3: Cross multiply
   224,000.78x = 336,176.12 × 83,799.50
4. Step 4: Simplify right side
   224,000.78x = 28,171,389,296.56
5. Step 5: Solve for x
   x = 28,171,389,296.56/224,000.78
6. Step 6: Final answer
   x = 125,764.70