Finding the Fourth Proportional to 9,877.43, 14,820.53 and 5,196.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,877.43 : 14,820.53 = 5,196.30 : x
2. Step 2: Convert to fraction form
   9,877.43/14,820.53 = 5,196.30/x
3. Step 3: Cross multiply
   9,877.43x = 14,820.53 × 5,196.30
4. Step 4: Simplify right side
   9,877.43x = 77,011,894.06
5. Step 5: Solve for x
   x = 77,011,894.06/9,877.43
6. Step 6: Final answer
   x = 7,796.76