Finding the Fourth Proportional to 2,897.35, 4,347.86 and 1,667.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,897.35 : 4,347.86 = 1,667.17 : x
2. Step 2: Convert to fraction form
   2,897.35/4,347.86 = 1,667.17/x
3. Step 3: Cross multiply
   2,897.35x = 4,347.86 × 1,667.17
4. Step 4: Simplify right side
   2,897.35x = 7,248,621.76
5. Step 5: Solve for x
   x = 7,248,621.76/2,897.35
6. Step 6: Final answer
   x = 2,501.81