Finding the Fourth Proportional to 21,769,100.80, 32,645,218.56 and 7,389,744.64

Step by Step Solution

1. Step 1: Write the proportion equation
   21,769,100.80 : 32,645,218.56 = 7,389,744.64 : x
2. Step 2: Convert to fraction form
   21,769,100.80/32,645,218.56 = 7,389,744.64/x
3. Step 3: Cross multiply
   21,769,100.80x = 32,645,218.56 × 7,389,744.64
4. Step 4: Simplify right side
   21,769,100.80x = 241,239,828,875,388.50
5. Step 5: Solve for x
   x = 241,239,828,875,388.50/21,769,100.80
6. Step 6: Final answer
   x = 11,081,754.41