Finding the Fourth Proportional to 55,899, 83,828.21 and 30,617.30

Step by Step Solution

1. Step 1: Write the proportion equation
   55,899 : 83,828.21 = 30,617.30 : x
2. Step 2: Convert to fraction form
   55,899/83,828.21 = 30,617.30/x
3. Step 3: Cross multiply
   55,899x = 83,828.21 × 30,617.30
4. Step 4: Simplify right side
   55,899x = 2,566,592,881.81
5. Step 5: Solve for x
   x = 2,566,592,881.81/55,899
6. Step 6: Final answer
   x = 45,914.83