Finding the Fourth Proportional to 56,055.87, 84,081.38 and 13,935.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,055.87 : 84,081.38 = 13,935.06 : x
2. Step 2: Convert to fraction form
   56,055.87/84,081.38 = 13,935.06/x
3. Step 3: Cross multiply
   56,055.87x = 84,081.38 × 13,935.06
4. Step 4: Simplify right side
   56,055.87x = 1,171,679,005.51
5. Step 5: Solve for x
   x = 1,171,679,005.51/56,055.87
6. Step 6: Final answer
   x = 20,901.99