Finding the Fourth Proportional to 52,867.83, 72,958.54 and 28,994.30

Step by Step Solution

1. Step 1: Write the proportion equation
   52,867.83 : 72,958.54 = 28,994.30 : x
2. Step 2: Convert to fraction form
   52,867.83/72,958.54 = 28,994.30/x
3. Step 3: Cross multiply
   52,867.83x = 72,958.54 × 28,994.30
4. Step 4: Simplify right side
   52,867.83x = 2,115,381,431.53
5. Step 5: Solve for x
   x = 2,115,381,431.53/52,867.83
6. Step 6: Final answer
   x = 40,012.64