Finding the Fourth Proportional to 127,884, 191,903.76 and 54,012

Step by Step Solution

1. Step 1: Write the proportion equation
   127,884 : 191,903.76 = 54,012 : x
2. Step 2: Convert to fraction form
   127,884/191,903.76 = 54,012/x
3. Step 3: Cross multiply
   127,884x = 191,903.76 × 54,012
4. Step 4: Simplify right side
   127,884x = 10,365,105,885.12
5. Step 5: Solve for x
   x = 10,365,105,885.12/127,884
6. Step 6: Final answer
   x = 81,050.84