Finding the Fourth Proportional to 42,956.07, 64,459.22 and 17,994

Step by Step Solution

1. Step 1: Write the proportion equation
   42,956.07 : 64,459.22 = 17,994 : x
2. Step 2: Convert to fraction form
   42,956.07/64,459.22 = 17,994/x
3. Step 3: Cross multiply
   42,956.07x = 64,459.22 × 17,994
4. Step 4: Simplify right side
   42,956.07x = 1,159,879,114.71
5. Step 5: Solve for x
   x = 1,159,879,114.71/42,956.07
6. Step 6: Final answer
   x = 27,001.52