Finding the Fourth Proportional to 9,988.82, 14,969.86 and 4,725.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988.82 : 14,969.86 = 4,725.23 : x
2. Step 2: Convert to fraction form
   9,988.82/14,969.86 = 4,725.23/x
3. Step 3: Cross multiply
   9,988.82x = 14,969.86 × 4,725.23
4. Step 4: Simplify right side
   9,988.82x = 70,736,031.57
5. Step 5: Solve for x
   x = 70,736,031.57/9,988.82
6. Step 6: Final answer
   x = 7,081.52