Finding the Fourth Proportional to 9,003.60, 13,484.52 and 8,692.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,003.60 : 13,484.52 = 8,692.12 : x
2. Step 2: Convert to fraction form
   9,003.60/13,484.52 = 8,692.12/x
3. Step 3: Cross multiply
   9,003.60x = 13,484.52 × 8,692.12
4. Step 4: Simplify right side
   9,003.60x = 117,209,065.98
5. Step 5: Solve for x
   x = 117,209,065.98/9,003.60
6. Step 6: Final answer
   x = 13,018.02