Finding the Fourth Proportional to 1,907.52, 2,848.59 and 1,886.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,907.52 : 2,848.59 = 1,886.91 : x
2. Step 2: Convert to fraction form
   1,907.52/2,848.59 = 1,886.91/x
3. Step 3: Cross multiply
   1,907.52x = 2,848.59 × 1,886.91
4. Step 4: Simplify right side
   1,907.52x = 5,375,009.28
5. Step 5: Solve for x
   x = 5,375,009.28/1,907.52
6. Step 6: Final answer
   x = 2,817.80