Finding the Fourth Proportional to 158,914.86, 238,200.57 and 57,645.42

Step by Step Solution

1. Step 1: Write the proportion equation
   158,914.86 : 238,200.57 = 57,645.42 : x
2. Step 2: Convert to fraction form
   158,914.86/238,200.57 = 57,645.42/x
3. Step 3: Cross multiply
   158,914.86x = 238,200.57 × 57,645.42
4. Step 4: Simplify right side
   158,914.86x = 13,731,171,901.89
5. Step 5: Solve for x
   x = 13,731,171,901.89/158,914.86
6. Step 6: Final answer
   x = 86,405.84