Finding the Fourth Proportional to 13,442.01, 18,551.43 and 7,700.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,442.01 : 18,551.43 = 7,700.01 : x
2. Step 2: Convert to fraction form
   13,442.01/18,551.43 = 7,700.01/x
3. Step 3: Cross multiply
   13,442.01x = 18,551.43 × 7,700.01
4. Step 4: Simplify right side
   13,442.01x = 142,846,196.51
5. Step 5: Solve for x
   x = 142,846,196.51/13,442.01
6. Step 6: Final answer
   x = 10,626.85