Finding the Fourth Proportional to 180,978.04, 249,738.42 and 109,315.72

Step by Step Solution

1. Step 1: Write the proportion equation
   180,978.04 : 249,738.42 = 109,315.72 : x
2. Step 2: Convert to fraction form
   180,978.04/249,738.42 = 109,315.72/x
3. Step 3: Cross multiply
   180,978.04x = 249,738.42 × 109,315.72
4. Step 4: Simplify right side
   180,978.04x = 27,300,335,193.96
5. Step 5: Solve for x
   x = 27,300,335,193.96/180,978.04
6. Step 6: Final answer
   x = 150,848.88