Finding the Fourth Proportional to 72,434.56, 108,567.76 and 27,427.30

Step by Step Solution

1. Step 1: Write the proportion equation
   72,434.56 : 108,567.76 = 27,427.30 : x
2. Step 2: Convert to fraction form
   72,434.56/108,567.76 = 27,427.30/x
3. Step 3: Cross multiply
   72,434.56x = 108,567.76 × 27,427.30
4. Step 4: Simplify right side
   72,434.56x = 2,977,720,523.85
5. Step 5: Solve for x
   x = 2,977,720,523.85/72,434.56
6. Step 6: Final answer
   x = 41,109.11