Finding the Fourth Proportional to 91,086.56, 136,656.24 and 37,768.64

Step by Step Solution

1. Step 1: Write the proportion equation
   91,086.56 : 136,656.24 = 37,768.64 : x
2. Step 2: Convert to fraction form
   91,086.56/136,656.24 = 37,768.64/x
3. Step 3: Cross multiply
   91,086.56x = 136,656.24 × 37,768.64
4. Step 4: Simplify right side
   91,086.56x = 5,161,320,332.31
5. Step 5: Solve for x
   x = 5,161,320,332.31/91,086.56
6. Step 6: Final answer
   x = 56,663.91