Finding the Fourth Proportional to 42,051.15, 58,035.22 and 25,915.21

Step by Step Solution

1. Step 1: Write the proportion equation
   42,051.15 : 58,035.22 = 25,915.21 : x
2. Step 2: Convert to fraction form
   42,051.15/58,035.22 = 25,915.21/x
3. Step 3: Cross multiply
   42,051.15x = 58,035.22 × 25,915.21
4. Step 4: Simplify right side
   42,051.15x = 1,503,994,703.82
5. Step 5: Solve for x
   x = 1,503,994,703.82/42,051.15
6. Step 6: Final answer
   x = 35,765.84