Finding the Fourth Proportional to 17,758.17, 26,611.86 and 13,041.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,758.17 : 26,611.86 = 13,041.18 : x
2. Step 2: Convert to fraction form
   17,758.17/26,611.86 = 13,041.18/x
3. Step 3: Cross multiply
   17,758.17x = 26,611.86 × 13,041.18
4. Step 4: Simplify right side
   17,758.17x = 347,050,056.39
5. Step 5: Solve for x
   x = 347,050,056.39/17,758.17
6. Step 6: Final answer
   x = 19,543.12