Finding the Fourth Proportional to 191,882.37, 287,649.31 and 67,155.33

Step by Step Solution

1. Step 1: Write the proportion equation
   191,882.37 : 287,649.31 = 67,155.33 : x
2. Step 2: Convert to fraction form
   191,882.37/287,649.31 = 67,155.33/x
3. Step 3: Cross multiply
   191,882.37x = 287,649.31 × 67,155.33
4. Step 4: Simplify right side
   191,882.37x = 19,317,184,337.32
5. Step 5: Solve for x
   x = 19,317,184,337.32/191,882.37
6. Step 6: Final answer
   x = 100,672.01