Finding the Fourth Proportional to 42,964,861.56, 64,445,544.56 and 10,615,949.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,964,861.56 : 64,445,544.56 = 10,615,949.48 : x
2. Step 2: Convert to fraction form
   42,964,861.56/64,445,544.56 = 10,615,949.48/x
3. Step 3: Cross multiply
   42,964,861.56x = 64,445,544.56 × 10,615,949.48
4. Step 4: Simplify right side
   42,964,861.56x = 684,150,644,964,361
5. Step 5: Solve for x
   x = 684,150,644,964,361/42,964,861.56
6. Step 6: Final answer
   x = 15,923,492.36