Finding the Fourth Proportional to 91,842.08, 137,631.56 and 52,317.58

Step by Step Solution

1. Step 1: Write the proportion equation
   91,842.08 : 137,631.56 = 52,317.58 : x
2. Step 2: Convert to fraction form
   91,842.08/137,631.56 = 52,317.58/x
3. Step 3: Cross multiply
   91,842.08x = 137,631.56 × 52,317.58
4. Step 4: Simplify right side
   91,842.08x = 7,200,550,150.82
5. Step 5: Solve for x
   x = 7,200,550,150.82/91,842.08
6. Step 6: Final answer
   x = 78,401.43