Finding the Fourth Proportional to 247,209, 370,593.59 and 89,402.37

Step by Step Solution

1. Step 1: Write the proportion equation
   247,209 : 370,593.59 = 89,402.37 : x
2. Step 2: Convert to fraction form
   247,209/370,593.59 = 89,402.37/x
3. Step 3: Cross multiply
   247,209x = 370,593.59 × 89,402.37
4. Step 4: Simplify right side
   247,209x = 33,131,944,805.80
5. Step 5: Solve for x
   x = 33,131,944,805.80/247,209
6. Step 6: Final answer
   x = 134,024.02