Finding the Fourth Proportional to 141,507, 195,120.23 and 109,168.02

Step by Step Solution

1. Step 1: Write the proportion equation
   141,507 : 195,120.23 = 109,168.02 : x
2. Step 2: Convert to fraction form
   141,507/195,120.23 = 109,168.02/x
3. Step 3: Cross multiply
   141,507x = 195,120.23 × 109,168.02
4. Step 4: Simplify right side
   141,507x = 21,300,888,625.20
5. Step 5: Solve for x
   x = 21,300,888,625.20/141,507
6. Step 6: Final answer
   x = 150,528.87