Finding the Fourth Proportional to 52,667.79, 72,681.77 and 28,794.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,667.79 : 72,681.77 = 28,794.45 : x
2. Step 2: Convert to fraction form
   52,667.79/72,681.77 = 28,794.45/x
3. Step 3: Cross multiply
   52,667.79x = 72,681.77 × 28,794.45
4. Step 4: Simplify right side
   52,667.79x = 2,092,831,936.72
5. Step 5: Solve for x
   x = 2,092,831,936.72/52,667.79
6. Step 6: Final answer
   x = 39,736.47