Finding the Fourth Proportional to 209,402.84, 314,100.20 and 59,644.10

Step by Step Solution

1. Step 1: Write the proportion equation
   209,402.84 : 314,100.20 = 59,644.10 : x
2. Step 2: Convert to fraction form
   209,402.84/314,100.20 = 59,644.10/x
3. Step 3: Cross multiply
   209,402.84x = 314,100.20 × 59,644.10
4. Step 4: Simplify right side
   209,402.84x = 18,734,221,870.10
5. Step 5: Solve for x
   x = 18,734,221,870.10/209,402.84
6. Step 6: Final answer
   x = 89,464.99