Finding the Fourth Proportional to 271,840.50, 375,139.89 and 152,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   271,840.50 : 375,139.89 = 152,608.50 : x
2. Step 2: Convert to fraction form
   271,840.50/375,139.89 = 152,608.50/x
3. Step 3: Cross multiply
   271,840.50x = 375,139.89 × 152,608.50
4. Step 4: Simplify right side
   271,840.50x = 57,249,535,903.07
5. Step 5: Solve for x
   x = 57,249,535,903.07/271,840.50
6. Step 6: Final answer
   x = 210,599.73