Finding the Fourth Proportional to 42,964,858.89, 64,445,540.56 and 10,615,946.81

Step by Step Solution

1. Step 1: Write the proportion equation
   42,964,858.89 : 64,445,540.56 = 10,615,946.81 : x
2. Step 2: Convert to fraction form
   42,964,858.89/64,445,540.56 = 10,615,946.81/x
3. Step 3: Cross multiply
   42,964,858.89x = 64,445,540.56 × 10,615,946.81
4. Step 4: Simplify right side
   42,964,858.89x = 684,150,430,377,890
5. Step 5: Solve for x
   x = 684,150,430,377,890/42,964,858.89
6. Step 6: Final answer
   x = 15,923,488.36