Finding the Fourth Proportional to 86,343,744, 119,158,978.56 and 49,679,904

Step by Step Solution

1. Step 1: Write the proportion equation
   86,343,744 : 119,158,978.56 = 49,679,904 : x
2. Step 2: Convert to fraction form
   86,343,744/119,158,978.56 = 49,679,904/x
3. Step 3: Cross multiply
   86,343,744x = 119,158,978.56 × 49,679,904
4. Step 4: Simplify right side
   86,343,744x = 5,919,806,615,598,858
5. Step 5: Solve for x
   x = 5,919,806,615,598,858/86,343,744
6. Step 6: Final answer
   x = 68,560,921.05