Finding the Fourth Proportional to 13,245.53, 19,879.83 and 7,010.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,245.53 : 19,879.83 = 7,010.02 : x
2. Step 2: Convert to fraction form
   13,245.53/19,879.83 = 7,010.02/x
3. Step 3: Cross multiply
   13,245.53x = 19,879.83 × 7,010.02
4. Step 4: Simplify right side
   13,245.53x = 139,357,974.83
5. Step 5: Solve for x
   x = 139,357,974.83/13,245.53
6. Step 6: Final answer
   x = 10,521.13