Finding the Fourth Proportional to 67,915,756.72, 101,873,666.68 and 21,857,619.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67,915,756.72 : 101,873,666.68 = 21,857,619.28 : x
2. Step 2: Convert to fraction form
   67,915,756.72/101,873,666.68 = 21,857,619.28/x
3. Step 3: Cross multiply
   67,915,756.72x = 101,873,666.68 × 21,857,619.28
4. Step 4: Simplify right side
   67,915,756.72x = 2,226,715,820,949,061.75
5. Step 5: Solve for x
   x = 2,226,715,820,949,061.75/67,915,756.72
6. Step 6: Final answer
   x = 32,786,439.09