Finding the Fourth Proportional to 70,839.74, 106,179.87 and 30,892.34

Step by Step Solution

1. Step 1: Write the proportion equation
   70,839.74 : 106,179.87 = 30,892.34 : x
2. Step 2: Convert to fraction form
   70,839.74/106,179.87 = 30,892.34/x
3. Step 3: Cross multiply
   70,839.74x = 106,179.87 × 30,892.34
4. Step 4: Simplify right side
   70,839.74x = 3,280,144,645.20
5. Step 5: Solve for x
   x = 3,280,144,645.20/70,839.74
6. Step 6: Final answer
   x = 46,303.74