Finding the Fourth Proportional to 51,112.30, 70,522.91 and 42,966.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,112.30 : 70,522.91 = 42,966.88 : x
2. Step 2: Convert to fraction form
   51,112.30/70,522.91 = 42,966.88/x
3. Step 3: Cross multiply
   51,112.30x = 70,522.91 × 42,966.88
4. Step 4: Simplify right side
   51,112.30x = 3,030,149,411.22
5. Step 5: Solve for x
   x = 3,030,149,411.22/51,112.30
6. Step 6: Final answer
   x = 59,284.15