Finding the Fourth Proportional to 169,577.10, 233,968.50 and 109,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   169,577.10 : 233,968.50 = 109,182.72 : x
2. Step 2: Convert to fraction form
   169,577.10/233,968.50 = 109,182.72/x
3. Step 3: Cross multiply
   169,577.10x = 233,968.50 × 109,182.72
4. Step 4: Simplify right side
   169,577.10x = 25,545,317,224.32
5. Step 5: Solve for x
   x = 25,545,317,224.32/169,577.10
6. Step 6: Final answer
   x = 150,641.31