Finding the Fourth Proportional to 21,385,974.54, 32,081,651.01 and 10,456,529.52

Step by Step Solution

1. Step 1: Write the proportion equation
   21,385,974.54 : 32,081,651.01 = 10,456,529.52 : x
2. Step 2: Convert to fraction form
   21,385,974.54/32,081,651.01 = 10,456,529.52/x
3. Step 3: Cross multiply
   21,385,974.54x = 32,081,651.01 × 10,456,529.52
4. Step 4: Simplify right side
   21,385,974.54x = 335,462,730,836,402.81
5. Step 5: Solve for x
   x = 335,462,730,836,402.81/21,385,974.54
6. Step 6: Final answer
   x = 15,686,109.15