Finding the Fourth Proportional to 601,386.56, 902,010.72 and 158,189.12

Step by Step Solution

1. Step 1: Write the proportion equation
   601,386.56 : 902,010.72 = 158,189.12 : x
2. Step 2: Convert to fraction form
   601,386.56/902,010.72 = 158,189.12/x
3. Step 3: Cross multiply
   601,386.56x = 902,010.72 × 158,189.12
4. Step 4: Simplify right side
   601,386.56x = 142,688,282,027.37
5. Step 5: Solve for x
   x = 142,688,282,027.37/601,386.56
6. Step 6: Final answer
   x = 237,265.50