Finding the Fourth Proportional to 9,926.98, 13,700.32 and 5,678.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.98 : 13,700.32 = 5,678.43 : x
2. Step 2: Convert to fraction form
   9,926.98/13,700.32 = 5,678.43/x
3. Step 3: Cross multiply
   9,926.98x = 13,700.32 × 5,678.43
4. Step 4: Simplify right side
   9,926.98x = 77,796,308.10
5. Step 5: Solve for x
   x = 77,796,308.10/9,926.98
6. Step 6: Final answer
   x = 7,836.86