Finding the Fourth Proportional to 91,734.10, 137,601.15 and 91,734.10

Step by Step Solution

1. Step 1: Write the proportion equation
   91,734.10 : 137,601.15 = 91,734.10 : x
2. Step 2: Convert to fraction form
   91,734.10/137,601.15 = 91,734.10/x
3. Step 3: Cross multiply
   91,734.10x = 137,601.15 × 91,734.10
4. Step 4: Simplify right side
   91,734.10x = 12,622,717,654.22
5. Step 5: Solve for x
   x = 12,622,717,654.22/91,734.10
6. Step 6: Final answer
   x = 137,601.15