Finding the Fourth Proportional to 10,071.31, 13,898.60 and 5,595.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.31 : 13,898.60 = 5,595.49 : x
2. Step 2: Convert to fraction form
   10,071.31/13,898.60 = 5,595.49/x
3. Step 3: Cross multiply
   10,071.31x = 13,898.60 × 5,595.49
4. Step 4: Simplify right side
   10,071.31x = 77,769,477.31
5. Step 5: Solve for x
   x = 77,769,477.31/10,071.31
6. Step 6: Final answer
   x = 7,721.88