Finding the Fourth Proportional to 436,030.29, 601,667.70 and 252,300.42

Step by Step Solution

1. Step 1: Write the proportion equation
   436,030.29 : 601,667.70 = 252,300.42 : x
2. Step 2: Convert to fraction form
   436,030.29/601,667.70 = 252,300.42/x
3. Step 3: Cross multiply
   436,030.29x = 601,667.70 × 252,300.42
4. Step 4: Simplify right side
   436,030.29x = 151,801,012,464.31
5. Step 5: Solve for x
   x = 151,801,012,464.31/436,030.29
6. Step 6: Final answer
   x = 348,143.27