Finding the Fourth Proportional to 42,783.61, 64,175.52 and 17,483.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,783.61 : 64,175.52 = 17,483.12 : x
2. Step 2: Convert to fraction form
   42,783.61/64,175.52 = 17,483.12/x
3. Step 3: Cross multiply
   42,783.61x = 64,175.52 × 17,483.12
4. Step 4: Simplify right side
   42,783.61x = 1,121,988,229.81
5. Step 5: Solve for x
   x = 1,121,988,229.81/42,783.61
6. Step 6: Final answer
   x = 26,224.72