Finding the Fourth Proportional to 380,221.34, 570,216.81 and 158,553.50

Step by Step Solution

1. Step 1: Write the proportion equation
   380,221.34 : 570,216.81 = 158,553.50 : x
2. Step 2: Convert to fraction form
   380,221.34/570,216.81 = 158,553.50/x
3. Step 3: Cross multiply
   380,221.34x = 570,216.81 × 158,553.50
4. Step 4: Simplify right side
   380,221.34x = 90,409,870,984.34
5. Step 5: Solve for x
   x = 90,409,870,984.34/380,221.34
6. Step 6: Final answer
   x = 237,782.21