Finding the Fourth Proportional to 13,041.86, 19,529.40 and 7,191.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,041.86 : 19,529.40 = 7,191.98 : x
2. Step 2: Convert to fraction form
   13,041.86/19,529.40 = 7,191.98/x
3. Step 3: Cross multiply
   13,041.86x = 19,529.40 × 7,191.98
4. Step 4: Simplify right side
   13,041.86x = 140,455,054.21
5. Step 5: Solve for x
   x = 140,455,054.21/13,041.86
6. Step 6: Final answer
   x = 10,769.56