Finding the Fourth Proportional to 10,072.19, 13,898.85 and 5,595.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,072.19 : 13,898.85 = 5,595.86 : x
2. Step 2: Convert to fraction form
   10,072.19/13,898.85 = 5,595.86/x
3. Step 3: Cross multiply
   10,072.19x = 13,898.85 × 5,595.86
4. Step 4: Simplify right side
   10,072.19x = 77,776,018.76
5. Step 5: Solve for x
   x = 77,776,018.76/10,072.19
6. Step 6: Final answer
   x = 7,721.86