Finding the Fourth Proportional to 10,051.12, 13,870.56 and 5,574.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,051.12 : 13,870.56 = 5,574.76 : x
2. Step 2: Convert to fraction form
   10,051.12/13,870.56 = 5,574.76/x
3. Step 3: Cross multiply
   10,051.12x = 13,870.56 × 5,574.76
4. Step 4: Simplify right side
   10,051.12x = 77,325,043.07
5. Step 5: Solve for x
   x = 77,325,043.07/10,051.12
6. Step 6: Final answer
   x = 7,693.18