Finding the Fourth Proportional to 259,114.50, 357,667.50 and 151,719.06

Step by Step Solution

1. Step 1: Write the proportion equation
   259,114.50 : 357,667.50 = 151,719.06 : x
2. Step 2: Convert to fraction form
   259,114.50/357,667.50 = 151,719.06/x
3. Step 3: Cross multiply
   259,114.50x = 357,667.50 × 151,719.06
4. Step 4: Simplify right side
   259,114.50x = 54,264,976,892.55
5. Step 5: Solve for x
   x = 54,264,976,892.55/259,114.50
6. Step 6: Final answer
   x = 209,424.70