Finding the Fourth Proportional to 3,516.86, 5,277.89 and 1,667.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516.86 : 5,277.89 = 1,667.99 : x
2. Step 2: Convert to fraction form
   3,516.86/5,277.89 = 1,667.99/x
3. Step 3: Cross multiply
   3,516.86x = 5,277.89 × 1,667.99
4. Step 4: Simplify right side
   3,516.86x = 8,803,467.74
5. Step 5: Solve for x
   x = 8,803,467.74/3,516.86
6. Step 6: Final answer
   x = 2,503.22