Finding the Fourth Proportional to 191,929.81, 287,304.18 and 125,226.31

Step by Step Solution

1. Step 1: Write the proportion equation
   191,929.81 : 287,304.18 = 125,226.31 : x
2. Step 2: Convert to fraction form
   191,929.81/287,304.18 = 125,226.31/x
3. Step 3: Cross multiply
   191,929.81x = 287,304.18 × 125,226.31
4. Step 4: Simplify right side
   191,929.81x = 35,978,042,308.98
5. Step 5: Solve for x
   x = 35,978,042,308.98/191,929.81
6. Step 6: Final answer
   x = 187,454.17