Finding the Fourth Proportional to 42,649.39, 63,897.47 and 25,109.65

Step by Step Solution

1. Step 1: Write the proportion equation
   42,649.39 : 63,897.47 = 25,109.65 : x
2. Step 2: Convert to fraction form
   42,649.39/63,897.47 = 25,109.65/x
3. Step 3: Cross multiply
   42,649.39x = 63,897.47 × 25,109.65
4. Step 4: Simplify right side
   42,649.39x = 1,604,443,107.59
5. Step 5: Solve for x
   x = 1,604,443,107.59/42,649.39
6. Step 6: Final answer
   x = 37,619.37