Finding the Fourth Proportional to 56,057.82, 83,987.37 and 49,956.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,057.82 : 83,987.37 = 49,956.18 : x
2. Step 2: Convert to fraction form
   56,057.82/83,987.37 = 49,956.18/x
3. Step 3: Cross multiply
   56,057.82x = 83,987.37 × 49,956.18
4. Step 4: Simplify right side
   56,057.82x = 4,195,688,173.45
5. Step 5: Solve for x
   x = 4,195,688,173.45/56,057.82
6. Step 6: Final answer
   x = 74,845.72