Finding the Fourth Proportional to 470,150.88, 648,803.16 and 266,196.12

Step by Step Solution

1. Step 1: Write the proportion equation
   470,150.88 : 648,803.16 = 266,196.12 : x
2. Step 2: Convert to fraction form
   470,150.88/648,803.16 = 266,196.12/x
3. Step 3: Cross multiply
   470,150.88x = 648,803.16 × 266,196.12
4. Step 4: Simplify right side
   470,150.88x = 172,708,883,835.74
5. Step 5: Solve for x
   x = 172,708,883,835.74/470,150.88
6. Step 6: Final answer
   x = 367,347.78