Finding the Fourth Proportional to 52,392.04, 72,300.94 and 28,518.64

Step by Step Solution

1. Step 1: Write the proportion equation
   52,392.04 : 72,300.94 = 28,518.64 : x
2. Step 2: Convert to fraction form
   52,392.04/72,300.94 = 28,518.64/x
3. Step 3: Cross multiply
   52,392.04x = 72,300.94 × 28,518.64
4. Step 4: Simplify right side
   52,392.04x = 2,061,924,479.52
5. Step 5: Solve for x
   x = 2,061,924,479.52/52,392.04
6. Step 6: Final answer
   x = 39,355.68