Finding the Fourth Proportional to 140,565.30, 210,945.15 and 101,150.70

Step by Step Solution

1. Step 1: Write the proportion equation
   140,565.30 : 210,945.15 = 101,150.70 : x
2. Step 2: Convert to fraction form
   140,565.30/210,945.15 = 101,150.70/x
3. Step 3: Cross multiply
   140,565.30x = 210,945.15 × 101,150.70
4. Step 4: Simplify right side
   140,565.30x = 21,337,249,584.11
5. Step 5: Solve for x
   x = 21,337,249,584.11/140,565.30
6. Step 6: Final answer
   x = 151,796.00