Finding the Fourth Proportional to 13,018.68, 19,526.16 and 4,697.55

Step by Step Solution

1. Step 1: Write the proportion equation
   13,018.68 : 19,526.16 = 4,697.55 : x
2. Step 2: Convert to fraction form
   13,018.68/19,526.16 = 4,697.55/x
3. Step 3: Cross multiply
   13,018.68x = 19,526.16 × 4,697.55
4. Step 4: Simplify right side
   13,018.68x = 91,725,112.91
5. Step 5: Solve for x
   x = 91,725,112.91/13,018.68
6. Step 6: Final answer
   x = 7,045.65