Finding the Fourth Proportional to 3,702.78, 5,554.89 and 1,973.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,702.78 : 5,554.89 = 1,973.34 : x
2. Step 2: Convert to fraction form
   3,702.78/5,554.89 = 1,973.34/x
3. Step 3: Cross multiply
   3,702.78x = 5,554.89 × 1,973.34
4. Step 4: Simplify right side
   3,702.78x = 10,961,686.63
5. Step 5: Solve for x
   x = 10,961,686.63/3,702.78
6. Step 6: Final answer
   x = 2,960.39