Finding the Fourth Proportional to 55,002.10, 82,357.35 and 43,338.10

Step by Step Solution

1. Step 1: Write the proportion equation
   55,002.10 : 82,357.35 = 43,338.10 : x
2. Step 2: Convert to fraction form
   55,002.10/82,357.35 = 43,338.10/x
3. Step 3: Cross multiply
   55,002.10x = 82,357.35 × 43,338.10
4. Step 4: Simplify right side
   55,002.10x = 3,569,211,070.04
5. Step 5: Solve for x
   x = 3,569,211,070.04/55,002.10
6. Step 6: Final answer
   x = 64,892.27