Finding the Fourth Proportional to 1,886.95, 2,602.69 and 1,328.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.95 : 2,602.69 = 1,328.59 : x
2. Step 2: Convert to fraction form
   1,886.95/2,602.69 = 1,328.59/x
3. Step 3: Cross multiply
   1,886.95x = 2,602.69 × 1,328.59
4. Step 4: Simplify right side
   1,886.95x = 3,457,907.91
5. Step 5: Solve for x
   x = 3,457,907.91/1,886.95
6. Step 6: Final answer
   x = 1,832.54