Finding the Fourth Proportional to 147,061.20, 202,944.42 and 83,398.98

Step by Step Solution

1. Step 1: Write the proportion equation
   147,061.20 : 202,944.42 = 83,398.98 : x
2. Step 2: Convert to fraction form
   147,061.20/202,944.42 = 83,398.98/x
3. Step 3: Cross multiply
   147,061.20x = 202,944.42 × 83,398.98
4. Step 4: Simplify right side
   147,061.20x = 16,925,357,624.69
5. Step 5: Solve for x
   x = 16,925,357,624.69/147,061.20
6. Step 6: Final answer
   x = 115,090.57