Finding the Fourth Proportional to 147,970.32, 221,961.96 and 42,799.92

Step by Step Solution

1. Step 1: Write the proportion equation
   147,970.32 : 221,961.96 = 42,799.92 : x
2. Step 2: Convert to fraction form
   147,970.32/221,961.96 = 42,799.92/x
3. Step 3: Cross multiply
   147,970.32x = 221,961.96 × 42,799.92
4. Step 4: Simplify right side
   147,970.32x = 9,499,954,131.04
5. Step 5: Solve for x
   x = 9,499,954,131.04/147,970.32
6. Step 6: Final answer
   x = 64,201.75