Finding the Fourth Proportional to 314,088.76, 433,453.98 and 174,391.30

Step by Step Solution

1. Step 1: Write the proportion equation
   314,088.76 : 433,453.98 = 174,391.30 : x
2. Step 2: Convert to fraction form
   314,088.76/433,453.98 = 174,391.30/x
3. Step 3: Cross multiply
   314,088.76x = 433,453.98 × 174,391.30
4. Step 4: Simplify right side
   314,088.76x = 75,590,603,062.37
5. Step 5: Solve for x
   x = 75,590,603,062.37/314,088.76
6. Step 6: Final answer
   x = 240,666.37