Finding the Fourth Proportional to 42,967,443.69, 64,450,534.04 and 10,619,349

Step by Step Solution

1. Step 1: Write the proportion equation
   42,967,443.69 : 64,450,534.04 = 10,619,349 : x
2. Step 2: Convert to fraction form
   42,967,443.69/64,450,534.04 = 10,619,349/x
3. Step 3: Cross multiply
   42,967,443.69x = 64,450,534.04 × 10,619,349
4. Step 4: Simplify right side
   42,967,443.69x = 684,422,714,154,043.12
5. Step 5: Solve for x
   x = 684,422,714,154,043.12/42,967,443.69
6. Step 6: Final answer
   x = 15,928,867.43