Finding the Fourth Proportional to 271,835.09, 375,162.18 and 155,559.32

Step by Step Solution

1. Step 1: Write the proportion equation
   271,835.09 : 375,162.18 = 155,559.32 : x
2. Step 2: Convert to fraction form
   271,835.09/375,162.18 = 155,559.32/x
3. Step 3: Cross multiply
   271,835.09x = 375,162.18 × 155,559.32
4. Step 4: Simplify right side
   271,835.09x = 58,359,971,734.71
5. Step 5: Solve for x
   x = 58,359,971,734.71/271,835.09
6. Step 6: Final answer
   x = 214,688.89