Finding the Fourth Proportional to 10,053.77, 15,078.69 and 5,054.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,053.77 : 15,078.69 = 5,054.78 : x
2. Step 2: Convert to fraction form
   10,053.77/15,078.69 = 5,054.78/x
3. Step 3: Cross multiply
   10,053.77x = 15,078.69 × 5,054.78
4. Step 4: Simplify right side
   10,053.77x = 76,219,498.33
5. Step 5: Solve for x
   x = 76,219,498.33/10,053.77
6. Step 6: Final answer
   x = 7,581.19