Finding the Fourth Proportional to 265,714.72, 398,667.12 and 113,848

Step by Step Solution

1. Step 1: Write the proportion equation
   265,714.72 : 398,667.12 = 113,848 : x
2. Step 2: Convert to fraction form
   265,714.72/398,667.12 = 113,848/x
3. Step 3: Cross multiply
   265,714.72x = 398,667.12 × 113,848
4. Step 4: Simplify right side
   265,714.72x = 45,387,454,277.76
5. Step 5: Solve for x
   x = 45,387,454,277.76/265,714.72
6. Step 6: Final answer
   x = 170,812.72