Finding the Fourth Proportional to 9,973.82, 13,758.81 and 7,611.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,973.82 : 13,758.81 = 7,611.86 : x
2. Step 2: Convert to fraction form
   9,973.82/13,758.81 = 7,611.86/x
3. Step 3: Cross multiply
   9,973.82x = 13,758.81 × 7,611.86
4. Step 4: Simplify right side
   9,973.82x = 104,730,135.49
5. Step 5: Solve for x
   x = 104,730,135.49/9,973.82
6. Step 6: Final answer
   x = 10,500.50