Finding the Fourth Proportional to 601,372, 902,111.28 and 158,140

Step by Step Solution

1. Step 1: Write the proportion equation
   601,372 : 902,111.28 = 158,140 : x
2. Step 2: Convert to fraction form
   601,372/902,111.28 = 158,140/x
3. Step 3: Cross multiply
   601,372x = 902,111.28 × 158,140
4. Step 4: Simplify right side
   601,372x = 142,659,877,819.20
5. Step 5: Solve for x
   x = 142,659,877,819.20/601,372
6. Step 6: Final answer
   x = 237,224.01