Finding the Fourth Proportional to 127,031, 190,554.48 and 42,784.28

Step by Step Solution

1. Step 1: Write the proportion equation
   127,031 : 190,554.48 = 42,784.28 : x
2. Step 2: Convert to fraction form
   127,031/190,554.48 = 42,784.28/x
3. Step 3: Cross multiply
   127,031x = 190,554.48 × 42,784.28
4. Step 4: Simplify right side
   127,031x = 8,152,736,227.57
5. Step 5: Solve for x
   x = 8,152,736,227.57/127,031
6. Step 6: Final answer
   x = 64,179.11