Finding the Fourth Proportional to 55,703.94, 76,871.10 and 30,210.05

Step by Step Solution

1. Step 1: Write the proportion equation
   55,703.94 : 76,871.10 = 30,210.05 : x
2. Step 2: Convert to fraction form
   55,703.94/76,871.10 = 30,210.05/x
3. Step 3: Cross multiply
   55,703.94x = 76,871.10 × 30,210.05
4. Step 4: Simplify right side
   55,703.94x = 2,322,280,080.02
5. Step 5: Solve for x
   x = 2,322,280,080.02/55,703.94
6. Step 6: Final answer
   x = 41,689.69