Finding the Fourth Proportional to 209,092.72, 314,261.16 and 98,362.48

Step by Step Solution

1. Step 1: Write the proportion equation
   209,092.72 : 314,261.16 = 98,362.48 : x
2. Step 2: Convert to fraction form
   209,092.72/314,261.16 = 98,362.48/x
3. Step 3: Cross multiply
   209,092.72x = 314,261.16 × 98,362.48
4. Step 4: Simplify right side
   209,092.72x = 30,911,507,065.28
5. Step 5: Solve for x
   x = 30,911,507,065.28/209,092.72
6. Step 6: Final answer
   x = 147,836.36