Finding the Fourth Proportional to 21,538,131.75, 32,307,479.03 and 7,161,199.56

Step by Step Solution

1. Step 1: Write the proportion equation
   21,538,131.75 : 32,307,479.03 = 7,161,199.56 : x
2. Step 2: Convert to fraction form
   21,538,131.75/32,307,479.03 = 7,161,199.56/x
3. Step 3: Cross multiply
   21,538,131.75x = 32,307,479.03 × 7,161,199.56
4. Step 4: Simplify right side
   21,538,131.75x = 231,360,304,632,248.22
5. Step 5: Solve for x
   x = 231,360,304,632,248.22/21,538,131.75
6. Step 6: Final answer
   x = 10,741,892.90