Finding the Fourth Proportional to 493,322.16, 680,786.76 and 266,967.72

Step by Step Solution

1. Step 1: Write the proportion equation
   493,322.16 : 680,786.76 = 266,967.72 : x
2. Step 2: Convert to fraction form
   493,322.16/680,786.76 = 266,967.72/x
3. Step 3: Cross multiply
   493,322.16x = 680,786.76 × 266,967.72
4. Step 4: Simplify right side
   493,322.16x = 181,748,089,123.39
5. Step 5: Solve for x
   x = 181,748,089,123.39/493,322.16
6. Step 6: Final answer
   x = 368,416.63