Finding the Fourth Proportional to 103,698.72, 155,570.76 and 33,585.12

Step by Step Solution

1. Step 1: Write the proportion equation
   103,698.72 : 155,570.76 = 33,585.12 : x
2. Step 2: Convert to fraction form
   103,698.72/155,570.76 = 33,585.12/x
3. Step 3: Cross multiply
   103,698.72x = 155,570.76 × 33,585.12
4. Step 4: Simplify right side
   103,698.72x = 5,224,862,643.09
5. Step 5: Solve for x
   x = 5,224,862,643.09/103,698.72
6. Step 6: Final answer
   x = 50,385.03