Finding the Fourth Proportional to 13,066.58, 18,032.01 and 7,098.31

Step by Step Solution

1. Step 1: Write the proportion equation
   13,066.58 : 18,032.01 = 7,098.31 : x
2. Step 2: Convert to fraction form
   13,066.58/18,032.01 = 7,098.31/x
3. Step 3: Cross multiply
   13,066.58x = 18,032.01 × 7,098.31
4. Step 4: Simplify right side
   13,066.58x = 127,996,796.90
5. Step 5: Solve for x
   x = 127,996,796.90/13,066.58
6. Step 6: Final answer
   x = 9,795.74