Finding the Fourth Proportional to 52,676.60, 72,693.72 and 28,803.47

Step by Step Solution

1. Step 1: Write the proportion equation
   52,676.60 : 72,693.72 = 28,803.47 : x
2. Step 2: Convert to fraction form
   52,676.60/72,693.72 = 28,803.47/x
3. Step 3: Cross multiply
   52,676.60x = 72,693.72 × 28,803.47
4. Step 4: Simplify right side
   52,676.60x = 2,093,831,019.74
5. Step 5: Solve for x
   x = 2,093,831,019.74/52,676.60
6. Step 6: Final answer
   x = 39,748.79