Finding the Fourth Proportional to 61,304.26, 91,419.90 and 60,743.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,304.26 : 91,419.90 = 60,743.72 : x
2. Step 2: Convert to fraction form
   61,304.26/91,419.90 = 60,743.72/x
3. Step 3: Cross multiply
   61,304.26x = 91,419.90 × 60,743.72
4. Step 4: Simplify right side
   61,304.26x = 5,553,184,808.03
5. Step 5: Solve for x
   x = 5,553,184,808.03/61,304.26
6. Step 6: Final answer
   x = 90,584.00