Finding the Fourth Proportional to 42,300.15, 58,374.21 and 25,305.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,300.15 : 58,374.21 = 25,305.11 : x
2. Step 2: Convert to fraction form
   42,300.15/58,374.21 = 25,305.11/x
3. Step 3: Cross multiply
   42,300.15x = 58,374.21 × 25,305.11
4. Step 4: Simplify right side
   42,300.15x = 1,477,165,678.69
5. Step 5: Solve for x
   x = 1,477,165,678.69/42,300.15
6. Step 6: Final answer
   x = 34,921.05