Finding the Fourth Proportional to 1,884.78, 2,597.30 and 1,386.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,884.78 : 2,597.30 = 1,386.56 : x
2. Step 2: Convert to fraction form
   1,884.78/2,597.30 = 1,386.56/x
3. Step 3: Cross multiply
   1,884.78x = 2,597.30 × 1,386.56
4. Step 4: Simplify right side
   1,884.78x = 3,601,312.29
5. Step 5: Solve for x
   x = 3,601,312.29/1,884.78
6. Step 6: Final answer
   x = 1,910.73