Finding the Fourth Proportional to 12,051.32, 18,070.47 and 5,473.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.32 : 18,070.47 = 5,473.89 : x
2. Step 2: Convert to fraction form
   12,051.32/18,070.47 = 5,473.89/x
3. Step 3: Cross multiply
   12,051.32x = 18,070.47 × 5,473.89
4. Step 4: Simplify right side
   12,051.32x = 98,915,765.03
5. Step 5: Solve for x
   x = 98,915,765.03/12,051.32
6. Step 6: Final answer
   x = 8,207.88