Finding the Fourth Proportional to 8,852.98, 12,215.35 and 5,077.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,852.98 : 12,215.35 = 5,077.34 : x
2. Step 2: Convert to fraction form
   8,852.98/12,215.35 = 5,077.34/x
3. Step 3: Cross multiply
   8,852.98x = 12,215.35 × 5,077.34
4. Step 4: Simplify right side
   8,852.98x = 62,021,485.17
5. Step 5: Solve for x
   x = 62,021,485.17/8,852.98
6. Step 6: Final answer
   x = 7,005.72