Finding the Fourth Proportional to 127,548.56, 191,204.78 and 56,433.50

Step by Step Solution

1. Step 1: Write the proportion equation
   127,548.56 : 191,204.78 = 56,433.50 : x
2. Step 2: Convert to fraction form
   127,548.56/191,204.78 = 56,433.50/x
3. Step 3: Cross multiply
   127,548.56x = 191,204.78 × 56,433.50
4. Step 4: Simplify right side
   127,548.56x = 10,790,353,713.94
5. Step 5: Solve for x
   x = 10,790,353,713.94/127,548.56
6. Step 6: Final answer
   x = 84,598.01