Finding the Fourth Proportional to 118,897.86, 178,347.12 and 30,151.42

Step by Step Solution

1. Step 1: Write the proportion equation
   118,897.86 : 178,347.12 = 30,151.42 : x
2. Step 2: Convert to fraction form
   118,897.86/178,347.12 = 30,151.42/x
3. Step 3: Cross multiply
   118,897.86x = 178,347.12 × 30,151.42
4. Step 4: Simplify right side
   118,897.86x = 5,377,418,920.91
5. Step 5: Solve for x
   x = 5,377,418,920.91/118,897.86
6. Step 6: Final answer
   x = 45,227.21