Finding the Fourth Proportional to 197,339, 272,327.82 and 107,915

Step by Step Solution

1. Step 1: Write the proportion equation
   197,339 : 272,327.82 = 107,915 : x
2. Step 2: Convert to fraction form
   197,339/272,327.82 = 107,915/x
3. Step 3: Cross multiply
   197,339x = 272,327.82 × 107,915
4. Step 4: Simplify right side
   197,339x = 29,388,256,695.30
5. Step 5: Solve for x
   x = 29,388,256,695.30/197,339
6. Step 6: Final answer
   x = 148,922.70