Finding the Fourth Proportional to 42,729.30, 58,994.22 and 38,245.32

Step by Step Solution

1. Step 1: Write the proportion equation
   42,729.30 : 58,994.22 = 38,245.32 : x
2. Step 2: Convert to fraction form
   42,729.30/58,994.22 = 38,245.32/x
3. Step 3: Cross multiply
   42,729.30x = 58,994.22 × 38,245.32
4. Step 4: Simplify right side
   42,729.30x = 2,256,252,822.05
5. Step 5: Solve for x
   x = 2,256,252,822.05/42,729.30
6. Step 6: Final answer
   x = 52,803.41