Finding the Fourth Proportional to 42,740.83, 64,119.35 and 17,767.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,740.83 : 64,119.35 = 17,767.32 : x
2. Step 2: Convert to fraction form
   42,740.83/64,119.35 = 17,767.32/x
3. Step 3: Cross multiply
   42,740.83x = 64,119.35 × 17,767.32
4. Step 4: Simplify right side
   42,740.83x = 1,139,229,009.64
5. Step 5: Solve for x
   x = 1,139,229,009.64/42,740.83
6. Step 6: Final answer
   x = 26,654.35