Finding the Fourth Proportional to 16,209,953.75, 22,376,391.32 and 10,990,111.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,209,953.75 : 22,376,391.32 = 10,990,111.25 : x
2. Step 2: Convert to fraction form
   16,209,953.75/22,376,391.32 = 10,990,111.25/x
3. Step 3: Cross multiply
   16,209,953.75x = 22,376,391.32 × 10,990,111.25
4. Step 4: Simplify right side
   16,209,953.75x = 245,919,029,980,334.34
5. Step 5: Solve for x
   x = 245,919,029,980,334.34/16,209,953.75
6. Step 6: Final answer
   x = 15,170,865.62