Finding the Fourth Proportional to 42,740,707.82, 64,110,162.62 and 10,392,776.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,740,707.82 : 64,110,162.62 = 10,392,776.24 : x
2. Step 2: Convert to fraction form
   42,740,707.82/64,110,162.62 = 10,392,776.24/x
3. Step 3: Cross multiply
   42,740,707.82x = 64,110,162.62 × 10,392,776.24
4. Step 4: Simplify right side
   42,740,707.82x = 666,282,574,819,672.12
5. Step 5: Solve for x
   x = 666,282,574,819,672.12/42,740,707.82
6. Step 6: Final answer
   x = 15,588,945.73