Finding the Fourth Proportional to 91,965.49, 138,001.47 and 38,653.27

Step by Step Solution

1. Step 1: Write the proportion equation
   91,965.49 : 138,001.47 = 38,653.27 : x
2. Step 2: Convert to fraction form
   91,965.49/138,001.47 = 38,653.27/x
3. Step 3: Cross multiply
   91,965.49x = 138,001.47 × 38,653.27
4. Step 4: Simplify right side
   91,965.49x = 5,334,208,080.31
5. Step 5: Solve for x
   x = 5,334,208,080.31/91,965.49
6. Step 6: Final answer
   x = 58,002.28