Finding the Fourth Proportional to 9,830.74, 14,731.71 and 5,672.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,830.74 : 14,731.71 = 5,672.02 : x
2. Step 2: Convert to fraction form
   9,830.74/14,731.71 = 5,672.02/x
3. Step 3: Cross multiply
   9,830.74x = 14,731.71 × 5,672.02
4. Step 4: Simplify right side
   9,830.74x = 83,558,553.75
5. Step 5: Solve for x
   x = 83,558,553.75/9,830.74
6. Step 6: Final answer
   x = 8,499.72