Finding the Fourth Proportional to 238,015.43, 357,024.35 and 80,245.25

Step by Step Solution

1. Step 1: Write the proportion equation
   238,015.43 : 357,024.35 = 80,245.25 : x
2. Step 2: Convert to fraction form
   238,015.43/357,024.35 = 80,245.25/x
3. Step 3: Cross multiply
   238,015.43x = 357,024.35 × 80,245.25
4. Step 4: Simplify right side
   238,015.43x = 28,649,506,436.72
5. Step 5: Solve for x
   x = 28,649,506,436.72/238,015.43
6. Step 6: Final answer
   x = 120,368.28