Finding the Fourth Proportional to 297,116.48, 445,513.43 and 134,921.47

Step by Step Solution

1. Step 1: Write the proportion equation
   297,116.48 : 445,513.43 = 134,921.47 : x
2. Step 2: Convert to fraction form
   297,116.48/445,513.43 = 134,921.47/x
3. Step 3: Cross multiply
   297,116.48x = 445,513.43 × 134,921.47
4. Step 4: Simplify right side
   297,116.48x = 60,109,326,880.34
5. Step 5: Solve for x
   x = 60,109,326,880.34/297,116.48
6. Step 6: Final answer
   x = 202,308.96