Finding the Fourth Proportional to 12,992.82, 19,484.38 and 4,670.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,992.82 : 19,484.38 = 4,670.56 : x
2. Step 2: Convert to fraction form
   12,992.82/19,484.38 = 4,670.56/x
3. Step 3: Cross multiply
   12,992.82x = 19,484.38 × 4,670.56
4. Step 4: Simplify right side
   12,992.82x = 91,002,965.85
5. Step 5: Solve for x
   x = 91,002,965.85/12,992.82
6. Step 6: Final answer
   x = 7,004.10