Finding the Fourth Proportional to 147,436.32, 221,162.04 and 42,270.96

Step by Step Solution

1. Step 1: Write the proportion equation
   147,436.32 : 221,162.04 = 42,270.96 : x
2. Step 2: Convert to fraction form
   147,436.32/221,162.04 = 42,270.96/x
3. Step 3: Cross multiply
   147,436.32x = 221,162.04 × 42,270.96
4. Step 4: Simplify right side
   147,436.32x = 9,348,731,746.36
5. Step 5: Solve for x
   x = 9,348,731,746.36/147,436.32
6. Step 6: Final answer
   x = 63,408.61