Finding the Fourth Proportional to 52,667.51, 72,681.16 and 28,794.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,667.51 : 72,681.16 = 28,794.18 : x
2. Step 2: Convert to fraction form
   52,667.51/72,681.16 = 28,794.18/x
3. Step 3: Cross multiply
   52,667.51x = 72,681.16 × 28,794.18
4. Step 4: Simplify right side
   52,667.51x = 2,092,794,403.65
5. Step 5: Solve for x
   x = 2,092,794,403.65/52,667.51
6. Step 6: Final answer
   x = 39,735.97