Finding the Fourth Proportional to 78,007.50, 117,030.69 and 22,603.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,007.50 : 117,030.69 = 22,603.50 : x
2. Step 2: Convert to fraction form
   78,007.50/117,030.69 = 22,603.50/x
3. Step 3: Cross multiply
   78,007.50x = 117,030.69 × 22,603.50
4. Step 4: Simplify right side
   78,007.50x = 2,645,303,201.42
5. Step 5: Solve for x
   x = 2,645,303,201.42/78,007.50
6. Step 6: Final answer
   x = 33,910.88