Finding the Fourth Proportional to 56,967.82, 85,505.34 and 28,908.01

Step by Step Solution

1. Step 1: Write the proportion equation
   56,967.82 : 85,505.34 = 28,908.01 : x
2. Step 2: Convert to fraction form
   56,967.82/85,505.34 = 28,908.01/x
3. Step 3: Cross multiply
   56,967.82x = 85,505.34 × 28,908.01
4. Step 4: Simplify right side
   56,967.82x = 2,471,789,223.77
5. Step 5: Solve for x
   x = 2,471,789,223.77/56,967.82
6. Step 6: Final answer
   x = 43,389.22