Finding the Fourth Proportional to 13,063.67, 18,015.59 and 10,074.77

Step by Step Solution

1. Step 1: Write the proportion equation
   13,063.67 : 18,015.59 = 10,074.77 : x
2. Step 2: Convert to fraction form
   13,063.67/18,015.59 = 10,074.77/x
3. Step 3: Cross multiply
   13,063.67x = 18,015.59 × 10,074.77
4. Step 4: Simplify right side
   13,063.67x = 181,502,875.29
5. Step 5: Solve for x
   x = 181,502,875.29/13,063.67
6. Step 6: Final answer
   x = 13,893.71