Finding the Fourth Proportional to 78,338.71, 117,510.81 and 25,752.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,338.71 : 117,510.81 = 25,752.25 : x
2. Step 2: Convert to fraction form
   78,338.71/117,510.81 = 25,752.25/x
3. Step 3: Cross multiply
   78,338.71x = 117,510.81 × 25,752.25
4. Step 4: Simplify right side
   78,338.71x = 3,026,167,756.82
5. Step 5: Solve for x
   x = 3,026,167,756.82/78,338.71
6. Step 6: Final answer
   x = 38,629.28