Finding the Fourth Proportional to 42,419.10, 58,539.95 and 25,426.11

Step by Step Solution

1. Step 1: Write the proportion equation
   42,419.10 : 58,539.95 = 25,426.11 : x
2. Step 2: Convert to fraction form
   42,419.10/58,539.95 = 25,426.11/x
3. Step 3: Cross multiply
   42,419.10x = 58,539.95 × 25,426.11
4. Step 4: Simplify right side
   42,419.10x = 1,488,443,208.09
5. Step 5: Solve for x
   x = 1,488,443,208.09/42,419.10
6. Step 6: Final answer
   x = 35,088.99