Finding the Fourth Proportional to 10,071.80, 13,897.52 and 5,595.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,071.80 : 13,897.52 = 5,595.12 : x
2. Step 2: Convert to fraction form
   10,071.80/13,897.52 = 5,595.12/x
3. Step 3: Cross multiply
   10,071.80x = 13,897.52 × 5,595.12
4. Step 4: Simplify right side
   10,071.80x = 77,758,292.10
5. Step 5: Solve for x
   x = 77,758,292.10/10,071.80
6. Step 6: Final answer
   x = 7,720.40