Finding the Fourth Proportional to 61,131.84, 91,678.32 and 23,689.32

Step by Step Solution

1. Step 1: Write the proportion equation
   61,131.84 : 91,678.32 = 23,689.32 : x
2. Step 2: Convert to fraction form
   61,131.84/91,678.32 = 23,689.32/x
3. Step 3: Cross multiply
   61,131.84x = 91,678.32 × 23,689.32
4. Step 4: Simplify right side
   61,131.84x = 2,171,797,059.54
5. Step 5: Solve for x
   x = 2,171,797,059.54/61,131.84
6. Step 6: Final answer
   x = 35,526.45