Finding the Fourth Proportional to 91,095.52, 136,659.68 and 43,670.42

Step by Step Solution

1. Step 1: Write the proportion equation
   91,095.52 : 136,659.68 = 43,670.42 : x
2. Step 2: Convert to fraction form
   91,095.52/136,659.68 = 43,670.42/x
3. Step 3: Cross multiply
   91,095.52x = 136,659.68 × 43,670.42
4. Step 4: Simplify right side
   91,095.52x = 5,967,986,073.49
5. Step 5: Solve for x
   x = 5,967,986,073.49/91,095.52
6. Step 6: Final answer
   x = 65,513.50