Finding the Fourth Proportional to 552,150.42, 827,667.63 and 214,980.90

Step by Step Solution

1. Step 1: Write the proportion equation
   552,150.42 : 827,667.63 = 214,980.90 : x
2. Step 2: Convert to fraction form
   552,150.42/827,667.63 = 214,980.90/x
3. Step 3: Cross multiply
   552,150.42x = 827,667.63 × 214,980.90
4. Step 4: Simplify right side
   552,150.42x = 177,932,731,998.27
5. Step 5: Solve for x
   x = 177,932,731,998.27/552,150.42
6. Step 6: Final answer
   x = 322,254.09