Finding the Fourth Proportional to 199,061.25, 274,704.53 and 109,637.25

Step by Step Solution

1. Step 1: Write the proportion equation
   199,061.25 : 274,704.53 = 109,637.25 : x
2. Step 2: Convert to fraction form
   199,061.25/274,704.53 = 109,637.25/x
3. Step 3: Cross multiply
   199,061.25x = 274,704.53 × 109,637.25
4. Step 4: Simplify right side
   199,061.25x = 30,117,848,683.56
5. Step 5: Solve for x
   x = 30,117,848,683.56/199,061.25
6. Step 6: Final answer
   x = 151,299.41