Finding the Fourth Proportional to 42,673.59, 58,900.10 and 25,920.63

Step by Step Solution

1. Step 1: Write the proportion equation
   42,673.59 : 58,900.10 = 25,920.63 : x
2. Step 2: Convert to fraction form
   42,673.59/58,900.10 = 25,920.63/x
3. Step 3: Cross multiply
   42,673.59x = 58,900.10 × 25,920.63
4. Step 4: Simplify right side
   42,673.59x = 1,526,727,569.46
5. Step 5: Solve for x
   x = 1,526,727,569.46/42,673.59
6. Step 6: Final answer
   x = 35,776.87