Finding the Fourth Proportional to 43,040.58, 64,564.59 and 11,875.83

Step by Step Solution

1. Step 1: Write the proportion equation
   43,040.58 : 64,564.59 = 11,875.83 : x
2. Step 2: Convert to fraction form
   43,040.58/64,564.59 = 11,875.83/x
3. Step 3: Cross multiply
   43,040.58x = 64,564.59 × 11,875.83
4. Step 4: Simplify right side
   43,040.58x = 766,758,094.86
5. Step 5: Solve for x
   x = 766,758,094.86/43,040.58
6. Step 6: Final answer
   x = 17,814.77