Finding the Fourth Proportional to 13,018.66, 19,526.18 and 4,697.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.66 : 19,526.18 = 4,697.54 : x
2. Step 2: Convert to fraction form
   13,018.66/19,526.18 = 4,697.54/x
3. Step 3: Cross multiply
   13,018.66x = 19,526.18 × 4,697.54
4. Step 4: Simplify right side
   13,018.66x = 91,725,011.60
5. Step 5: Solve for x
   x = 91,725,011.60/13,018.66
6. Step 6: Final answer
   x = 7,045.66