Finding the Fourth Proportional to 3,852,706.50, 5,774,881.20 and 1,928,978.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,852,706.50 : 5,774,881.20 = 1,928,978.28 : x
2. Step 2: Convert to fraction form
   3,852,706.50/5,774,881.20 = 1,928,978.28/x
3. Step 3: Cross multiply
   3,852,706.50x = 5,774,881.20 × 1,928,978.28
4. Step 4: Simplify right side
   3,852,706.50x = 11,139,620,404,380.34
5. Step 5: Solve for x
   x = 11,139,620,404,380.34/3,852,706.50
6. Step 6: Final answer
   x = 2,891,375.30