Finding the Fourth Proportional to 2,656.46, 3,980.24 and 1,875.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.46 : 3,980.24 = 1,875.17 : x
2. Step 2: Convert to fraction form
   2,656.46/3,980.24 = 1,875.17/x
3. Step 3: Cross multiply
   2,656.46x = 3,980.24 × 1,875.17
4. Step 4: Simplify right side
   2,656.46x = 7,463,611.86
5. Step 5: Solve for x
   x = 7,463,611.86/2,656.46
6. Step 6: Final answer
   x = 2,809.61