Finding the Fourth Proportional to 51,003.98, 76,505.86 and 13,564.06

Step by Step Solution

1. Step 1: Write the proportion equation
   51,003.98 : 76,505.86 = 13,564.06 : x
2. Step 2: Convert to fraction form
   51,003.98/76,505.86 = 13,564.06/x
3. Step 3: Cross multiply
   51,003.98x = 76,505.86 × 13,564.06
4. Step 4: Simplify right side
   51,003.98x = 1,037,730,075.39
5. Step 5: Solve for x
   x = 1,037,730,075.39/51,003.98
6. Step 6: Final answer
   x = 20,346.06