Finding the Fourth Proportional to 43,039.25, 64,562.59 and 11,874.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,039.25 : 64,562.59 = 11,874.50 : x
2. Step 2: Convert to fraction form
   43,039.25/64,562.59 = 11,874.50/x
3. Step 3: Cross multiply
   43,039.25x = 64,562.59 × 11,874.50
4. Step 4: Simplify right side
   43,039.25x = 766,648,152.14
5. Step 5: Solve for x
   x = 766,648,152.14/43,039.25
6. Step 6: Final answer
   x = 17,812.77