Finding the Fourth Proportional to 465,973.30, 698,960.49 and 141,764.05

Step by Step Solution

1. Step 1: Write the proportion equation
   465,973.30 : 698,960.49 = 141,764.05 : x
2. Step 2: Convert to fraction form
   465,973.30/698,960.49 = 141,764.05/x
3. Step 3: Cross multiply
   465,973.30x = 698,960.49 × 141,764.05
4. Step 4: Simplify right side
   465,973.30x = 99,087,469,852.38
5. Step 5: Solve for x
   x = 99,087,469,852.38/465,973.30
6. Step 6: Final answer
   x = 212,646.24