Finding the Fourth Proportional to 12,075.86, 18,100.02 and 5,487.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,075.86 : 18,100.02 = 5,487.32 : x
2. Step 2: Convert to fraction form
   12,075.86/18,100.02 = 5,487.32/x
3. Step 3: Cross multiply
   12,075.86x = 18,100.02 × 5,487.32
4. Step 4: Simplify right side
   12,075.86x = 99,320,601.75
5. Step 5: Solve for x
   x = 99,320,601.75/12,075.86
6. Step 6: Final answer
   x = 8,224.72