Finding the Fourth Proportional to 262,920.67, 362,830.69 and 142,061.93

Step by Step Solution

1. Step 1: Write the proportion equation
   262,920.67 : 362,830.69 = 142,061.93 : x
2. Step 2: Convert to fraction form
   262,920.67/362,830.69 = 142,061.93/x
3. Step 3: Cross multiply
   262,920.67x = 362,830.69 × 142,061.93
4. Step 4: Simplify right side
   262,920.67x = 51,544,428,084.63
5. Step 5: Solve for x
   x = 51,544,428,084.63/262,920.67
6. Step 6: Final answer
   x = 196,045.55