Finding the Fourth Proportional to 127,088.49, 190,499.72 and 42,819.54

Step by Step Solution

1. Step 1: Write the proportion equation
   127,088.49 : 190,499.72 = 42,819.54 : x
2. Step 2: Convert to fraction form
   127,088.49/190,499.72 = 42,819.54/x
3. Step 3: Cross multiply
   127,088.49x = 190,499.72 × 42,819.54
4. Step 4: Simplify right side
   127,088.49x = 8,157,110,166.43
5. Step 5: Solve for x
   x = 8,157,110,166.43/127,088.49
6. Step 6: Final answer
   x = 64,184.49