Finding the Fourth Proportional to 51,288.12, 70,779.42 and 30,066.12

Step by Step Solution

1. Step 1: Write the proportion equation
   51,288.12 : 70,779.42 = 30,066.12 : x
2. Step 2: Convert to fraction form
   51,288.12/70,779.42 = 30,066.12/x
3. Step 3: Cross multiply
   51,288.12x = 70,779.42 × 30,066.12
4. Step 4: Simplify right side
   51,288.12x = 2,128,062,535.25
5. Step 5: Solve for x
   x = 2,128,062,535.25/51,288.12
6. Step 6: Final answer
   x = 41,492.31