Finding the Fourth Proportional to 147,443.34, 220,817.76 and 97,399.32

Step by Step Solution

1. Step 1: Write the proportion equation
   147,443.34 : 220,817.76 = 97,399.32 : x
2. Step 2: Convert to fraction form
   147,443.34/220,817.76 = 97,399.32/x
3. Step 3: Cross multiply
   147,443.34x = 220,817.76 × 97,399.32
4. Step 4: Simplify right side
   147,443.34x = 21,507,499,667.92
5. Step 5: Solve for x
   x = 21,507,499,667.92/147,443.34
6. Step 6: Final answer
   x = 145,869.59