Finding the Fourth Proportional to 190,625.59, 285,940.43 and 57,507

Step by Step Solution

1. Step 1: Write the proportion equation
   190,625.59 : 285,940.43 = 57,507 : x
2. Step 2: Convert to fraction form
   190,625.59/285,940.43 = 57,507/x
3. Step 3: Cross multiply
   190,625.59x = 285,940.43 × 57,507
4. Step 4: Simplify right side
   190,625.59x = 16,443,576,308.01
5. Step 5: Solve for x
   x = 16,443,576,308.01/190,625.59
6. Step 6: Final answer
   x = 86,261.12