Finding the Fourth Proportional to 42,667,760.31, 64,001,671.59 and 10,319,694

Step by Step Solution

1. Step 1: Write the proportion equation
   42,667,760.31 : 64,001,671.59 = 10,319,694 : x
2. Step 2: Convert to fraction form
   42,667,760.31/64,001,671.59 = 10,319,694/x
3. Step 3: Cross multiply
   42,667,760.31x = 64,001,671.59 × 10,319,694
4. Step 4: Simplify right side
   42,667,760.31x = 660,477,666,297,293.50
5. Step 5: Solve for x
   x = 660,477,666,297,293.50/42,667,760.31
6. Step 6: Final answer
   x = 15,479,548.53