Finding the Fourth Proportional to 209,072.22, 314,230.41 and 98,341.98

Step by Step Solution

1. Step 1: Write the proportion equation
   209,072.22 : 314,230.41 = 98,341.98 : x
2. Step 2: Convert to fraction form
   209,072.22/314,230.41 = 98,341.98/x
3. Step 3: Cross multiply
   209,072.22x = 314,230.41 × 98,341.98
4. Step 4: Simplify right side
   209,072.22x = 30,902,040,695.61
5. Step 5: Solve for x
   x = 30,902,040,695.61/209,072.22
6. Step 6: Final answer
   x = 147,805.58