Finding the Fourth Proportional to 151,034.10, 208,403.73 and 87,377.82

Step by Step Solution

1. Step 1: Write the proportion equation
   151,034.10 : 208,403.73 = 87,377.82 : x
2. Step 2: Convert to fraction form
   151,034.10/208,403.73 = 87,377.82/x
3. Step 3: Cross multiply
   151,034.10x = 208,403.73 × 87,377.82
4. Step 4: Simplify right side
   151,034.10x = 18,209,863,607.27
5. Step 5: Solve for x
   x = 18,209,863,607.27/151,034.10
6. Step 6: Final answer
   x = 120,567.90