Finding the Fourth Proportional to 91,773.45, 137,710.35 and 35,615.79

Step by Step Solution

1. Step 1: Write the proportion equation
   91,773.45 : 137,710.35 = 35,615.79 : x
2. Step 2: Convert to fraction form
   91,773.45/137,710.35 = 35,615.79/x
3. Step 3: Cross multiply
   91,773.45x = 137,710.35 × 35,615.79
4. Step 4: Simplify right side
   91,773.45x = 4,904,662,906.43
5. Step 5: Solve for x
   x = 4,904,662,906.43/91,773.45
6. Step 6: Final answer
   x = 53,443.16