Finding the Fourth Proportional to 91,667.89, 137,511.56 and 39,082.69

Step by Step Solution

1. Step 1: Write the proportion equation
   91,667.89 : 137,511.56 = 39,082.69 : x
2. Step 2: Convert to fraction form
   91,667.89/137,511.56 = 39,082.69/x
3. Step 3: Cross multiply
   91,667.89x = 137,511.56 × 39,082.69
4. Step 4: Simplify right side
   91,667.89x = 5,374,321,670.90
5. Step 5: Solve for x
   x = 5,374,321,670.90/91,667.89
6. Step 6: Final answer
   x = 58,628.18