Finding the Fourth Proportional to 61,139.74, 91,691.82 and 23,691.46

Step by Step Solution

1. Step 1: Write the proportion equation
   61,139.74 : 91,691.82 = 23,691.46 : x
2. Step 2: Convert to fraction form
   61,139.74/91,691.82 = 23,691.46/x
3. Step 3: Cross multiply
   61,139.74x = 91,691.82 × 23,691.46
4. Step 4: Simplify right side
   61,139.74x = 2,172,313,085.86
5. Step 5: Solve for x
   x = 2,172,313,085.86/61,139.74
6. Step 6: Final answer
   x = 35,530.30