Finding the Fourth Proportional to 9,972.21, 14,967.55 and 5,045.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,972.21 : 14,967.55 = 5,045.32 : x
2. Step 2: Convert to fraction form
   9,972.21/14,967.55 = 5,045.32/x
3. Step 3: Cross multiply
   9,972.21x = 14,967.55 × 5,045.32
4. Step 4: Simplify right side
   9,972.21x = 75,516,104.38
5. Step 5: Solve for x
   x = 75,516,104.38/9,972.21
6. Step 6: Final answer
   x = 7,572.65