Finding the Fourth Proportional to 43,184.69, 64,770.89 and 13,601.76

Step by Step Solution

1. Step 1: Write the proportion equation
   43,184.69 : 64,770.89 = 13,601.76 : x
2. Step 2: Convert to fraction form
   43,184.69/64,770.89 = 13,601.76/x
3. Step 3: Cross multiply
   43,184.69x = 64,770.89 × 13,601.76
4. Step 4: Simplify right side
   43,184.69x = 880,998,100.77
5. Step 5: Solve for x
   x = 880,998,100.77/43,184.69
6. Step 6: Final answer
   x = 20,400.70