Finding the Fourth Proportional to 10,010.56, 15,018.29 and 7,054.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,010.56 : 15,018.29 = 7,054.77 : x
2. Step 2: Convert to fraction form
   10,010.56/15,018.29 = 7,054.77/x
3. Step 3: Cross multiply
   10,010.56x = 15,018.29 × 7,054.77
4. Step 4: Simplify right side
   10,010.56x = 105,950,581.74
5. Step 5: Solve for x
   x = 105,950,581.74/10,010.56
6. Step 6: Final answer
   x = 10,583.88