Finding the Fourth Proportional to 127,004.34, 190,438.47 and 42,736.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,004.34 : 190,438.47 = 42,736.50 : x
2. Step 2: Convert to fraction form
   127,004.34/190,438.47 = 42,736.50/x
3. Step 3: Cross multiply
   127,004.34x = 190,438.47 × 42,736.50
4. Step 4: Simplify right side
   127,004.34x = 8,138,673,673.16
5. Step 5: Solve for x
   x = 8,138,673,673.16/127,004.34
6. Step 6: Final answer
   x = 64,081.85