Finding the Fourth Proportional to 8,611.10, 11,881.86 and 5,075.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,611.10 : 11,881.86 = 5,075.01 : x
2. Step 2: Convert to fraction form
   8,611.10/11,881.86 = 5,075.01/x
3. Step 3: Cross multiply
   8,611.10x = 11,881.86 × 5,075.01
4. Step 4: Simplify right side
   8,611.10x = 60,300,558.32
5. Step 5: Solve for x
   x = 60,300,558.32/8,611.10
6. Step 6: Final answer
   x = 7,002.66