Finding the Fourth Proportional to 227,868.76, 341,844.65 and 78,124.18

Step by Step Solution

1. Step 1: Write the proportion equation
   227,868.76 : 341,844.65 = 78,124.18 : x
2. Step 2: Convert to fraction form
   227,868.76/341,844.65 = 78,124.18/x
3. Step 3: Cross multiply
   227,868.76x = 341,844.65 × 78,124.18
4. Step 4: Simplify right side
   227,868.76x = 26,706,333,096.78
5. Step 5: Solve for x
   x = 26,706,333,096.78/227,868.76
6. Step 6: Final answer
   x = 117,200.50