Finding the Fourth Proportional to 52,360.79, 72,258.06 and 28,487.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,360.79 : 72,258.06 = 28,487.46 : x
2. Step 2: Convert to fraction form
   52,360.79/72,258.06 = 28,487.46/x
3. Step 3: Cross multiply
   52,360.79x = 72,258.06 × 28,487.46
4. Step 4: Simplify right side
   52,360.79x = 2,058,448,593.93
5. Step 5: Solve for x
   x = 2,058,448,593.93/52,360.79
6. Step 6: Final answer
   x = 39,312.79