Finding the Fourth Proportional to 2,113.63, 2,917.35 and 2,014.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.63 : 2,917.35 = 2,014.61 : x
2. Step 2: Convert to fraction form
   2,113.63/2,917.35 = 2,014.61/x
3. Step 3: Cross multiply
   2,113.63x = 2,917.35 × 2,014.61
4. Step 4: Simplify right side
   2,113.63x = 5,877,307.90
5. Step 5: Solve for x
   x = 5,877,307.90/2,113.63
6. Step 6: Final answer
   x = 2,780.67