Finding the Fourth Proportional to 250,830, 376,243.63 and 61,291.42

Step by Step Solution

1. Step 1: Write the proportion equation
   250,830 : 376,243.63 = 61,291.42 : x
2. Step 2: Convert to fraction form
   250,830/376,243.63 = 61,291.42/x
3. Step 3: Cross multiply
   250,830x = 376,243.63 × 61,291.42
4. Step 4: Simplify right side
   250,830x = 23,060,505,254.82
5. Step 5: Solve for x
   x = 23,060,505,254.82/250,830
6. Step 6: Final answer
   x = 91,936.79