Finding the Fourth Proportional to 10,094.43, 13,920.65 and 7,700.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,094.43 : 13,920.65 = 7,700.15 : x
2. Step 2: Convert to fraction form
   10,094.43/13,920.65 = 7,700.15/x
3. Step 3: Cross multiply
   10,094.43x = 13,920.65 × 7,700.15
4. Step 4: Simplify right side
   10,094.43x = 107,191,093.10
5. Step 5: Solve for x
   x = 107,191,093.10/10,094.43
6. Step 6: Final answer
   x = 10,618.84