Finding the Fourth Proportional to 91,620.88, 137,435.46 and 25,059.52

Step by Step Solution

1. Step 1: Write the proportion equation
   91,620.88 : 137,435.46 = 25,059.52 : x
2. Step 2: Convert to fraction form
   91,620.88/137,435.46 = 25,059.52/x
3. Step 3: Cross multiply
   91,620.88x = 137,435.46 × 25,059.52
4. Step 4: Simplify right side
   91,620.88x = 3,444,066,658.58
5. Step 5: Solve for x
   x = 3,444,066,658.58/91,620.88
6. Step 6: Final answer
   x = 37,590.41