Finding the Fourth Proportional to 23,686.18, 32,686.85 and 13,075.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,686.18 : 32,686.85 = 13,075.74 : x
2. Step 2: Convert to fraction form
   23,686.18/32,686.85 = 13,075.74/x
3. Step 3: Cross multiply
   23,686.18x = 32,686.85 × 13,075.74
4. Step 4: Simplify right side
   23,686.18x = 427,404,784.71
5. Step 5: Solve for x
   x = 427,404,784.71/23,686.18
6. Step 6: Final answer
   x = 18,044.48