Finding the Fourth Proportional to 8,998.47, 13,499.96 and 3,154.91

Step by Step Solution

1. Step 1: Write the proportion equation
   8,998.47 : 13,499.96 = 3,154.91 : x
2. Step 2: Convert to fraction form
   8,998.47/13,499.96 = 3,154.91/x
3. Step 3: Cross multiply
   8,998.47x = 13,499.96 × 3,154.91
4. Step 4: Simplify right side
   8,998.47x = 42,591,075.53
5. Step 5: Solve for x
   x = 42,591,075.53/8,998.47
6. Step 6: Final answer
   x = 4,733.15