Finding the Fourth Proportional to 78,105.06, 117,130.86 and 25,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,105.06 : 117,130.86 = 25,501.50 : x
2. Step 2: Convert to fraction form
   78,105.06/117,130.86 = 25,501.50/x
3. Step 3: Cross multiply
   78,105.06x = 117,130.86 × 25,501.50
4. Step 4: Simplify right side
   78,105.06x = 2,987,012,626.29
5. Step 5: Solve for x
   x = 2,987,012,626.29/78,105.06
6. Step 6: Final answer
   x = 38,243.52