Finding the Fourth Proportional to 55,767.56, 83,250.19 and 47,784.09

Step by Step Solution

1. Step 1: Write the proportion equation
   55,767.56 : 83,250.19 = 47,784.09 : x
2. Step 2: Convert to fraction form
   55,767.56/83,250.19 = 47,784.09/x
3. Step 3: Cross multiply
   55,767.56x = 83,250.19 × 47,784.09
4. Step 4: Simplify right side
   55,767.56x = 3,978,034,809.00
5. Step 5: Solve for x
   x = 3,978,034,809.00/55,767.56
6. Step 6: Final answer
   x = 71,332.42