Finding the Fourth Proportional to 610,744.72, 916,389.72 and 236,796.88

Step by Step Solution

1. Step 1: Write the proportion equation
   610,744.72 : 916,389.72 = 236,796.88 : x
2. Step 2: Convert to fraction form
   610,744.72/916,389.72 = 236,796.88/x
3. Step 3: Cross multiply
   610,744.72x = 916,389.72 × 236,796.88
4. Step 4: Simplify right side
   610,744.72x = 216,998,226,560.07
5. Step 5: Solve for x
   x = 216,998,226,560.07/610,744.72
6. Step 6: Final answer
   x = 355,301.03