Finding the Fourth Proportional to 251,575.61, 377,365.41 and 91,766.05

Step by Step Solution

1. Step 1: Write the proportion equation
   251,575.61 : 377,365.41 = 91,766.05 : x
2. Step 2: Convert to fraction form
   251,575.61/377,365.41 = 91,766.05/x
3. Step 3: Cross multiply
   251,575.61x = 377,365.41 × 91,766.05
4. Step 4: Simplify right side
   251,575.61x = 34,629,333,082.33
5. Step 5: Solve for x
   x = 34,629,333,082.33/251,575.61
6. Step 6: Final answer
   x = 137,649.80