Finding the Fourth Proportional to 127,674.72, 191,504.88 and 56,576.88

Step by Step Solution

1. Step 1: Write the proportion equation
   127,674.72 : 191,504.88 = 56,576.88 : x
2. Step 2: Convert to fraction form
   127,674.72/191,504.88 = 56,576.88/x
3. Step 3: Cross multiply
   127,674.72x = 191,504.88 × 56,576.88
4. Step 4: Simplify right side
   127,674.72x = 10,834,748,615.17
5. Step 5: Solve for x
   x = 10,834,748,615.17/127,674.72
6. Step 6: Final answer
   x = 84,862.13