Finding the Fourth Proportional to 42,122.60, 58,142.06 and 25,994.84

Step by Step Solution

1. Step 1: Write the proportion equation
   42,122.60 : 58,142.06 = 25,994.84 : x
2. Step 2: Convert to fraction form
   42,122.60/58,142.06 = 25,994.84/x
3. Step 3: Cross multiply
   42,122.60x = 58,142.06 × 25,994.84
4. Step 4: Simplify right side
   42,122.60x = 1,511,393,344.32
5. Step 5: Solve for x
   x = 1,511,393,344.32/42,122.60
6. Step 6: Final answer
   x = 35,880.82