Finding the Fourth Proportional to 341,667.72, 512,550.58 and 105,030.26

Step by Step Solution

1. Step 1: Write the proportion equation
   341,667.72 : 512,550.58 = 105,030.26 : x
2. Step 2: Convert to fraction form
   341,667.72/512,550.58 = 105,030.26/x
3. Step 3: Cross multiply
   341,667.72x = 512,550.58 × 105,030.26
4. Step 4: Simplify right side
   341,667.72x = 53,833,320,680.55
5. Step 5: Solve for x
   x = 53,833,320,680.55/341,667.72
6. Step 6: Final answer
   x = 157,560.45