Finding the Fourth Proportional to 10,051.39, 13,870.95 and 5,575.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,051.39 : 13,870.95 = 5,575.56 : x
2. Step 2: Convert to fraction form
   10,051.39/13,870.95 = 5,575.56/x
3. Step 3: Cross multiply
   10,051.39x = 13,870.95 × 5,575.56
4. Step 4: Simplify right side
   10,051.39x = 77,338,313.98
5. Step 5: Solve for x
   x = 77,338,313.98/10,051.39
6. Step 6: Final answer
   x = 7,694.29