Finding the Fourth Proportional to 297,932.35, 446,300.18 and 137,783.81

Step by Step Solution

1. Step 1: Write the proportion equation
   297,932.35 : 446,300.18 = 137,783.81 : x
2. Step 2: Convert to fraction form
   297,932.35/446,300.18 = 137,783.81/x
3. Step 3: Cross multiply
   297,932.35x = 446,300.18 × 137,783.81
4. Step 4: Simplify right side
   297,932.35x = 61,492,938,892.39
5. Step 5: Solve for x
   x = 61,492,938,892.39/297,932.35
6. Step 6: Final answer
   x = 206,399.00