Finding the Fourth Proportional to 341,667.28, 471,495.72 and 198,507.60

Step by Step Solution

1. Step 1: Write the proportion equation
   341,667.28 : 471,495.72 = 198,507.60 : x
2. Step 2: Convert to fraction form
   341,667.28/471,495.72 = 198,507.60/x
3. Step 3: Cross multiply
   341,667.28x = 471,495.72 × 198,507.60
4. Step 4: Simplify right side
   341,667.28x = 93,595,483,787.47
5. Step 5: Solve for x
   x = 93,595,483,787.47/341,667.28
6. Step 6: Final answer
   x = 273,937.51