Finding the Fourth Proportional to 9,931.82, 13,705.02 and 5,455.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,931.82 : 13,705.02 = 5,455.52 : x
2. Step 2: Convert to fraction form
   9,931.82/13,705.02 = 5,455.52/x
3. Step 3: Cross multiply
   9,931.82x = 13,705.02 × 5,455.52
4. Step 4: Simplify right side
   9,931.82x = 74,768,010.71
5. Step 5: Solve for x
   x = 74,768,010.71/9,931.82
6. Step 6: Final answer
   x = 7,528.13