Finding the Fourth Proportional to 21,538,123.75, 32,307,467.03 and 7,161,191.54

Step by Step Solution

1. Step 1: Write the proportion equation
   21,538,123.75 : 32,307,467.03 = 7,161,191.54 : x
2. Step 2: Convert to fraction form
   21,538,123.75/32,307,467.03 = 7,161,191.54/x
3. Step 3: Cross multiply
   21,538,123.75x = 32,307,467.03 × 7,161,191.54
4. Step 4: Simplify right side
   21,538,123.75x = 231,359,959,574,064.94
5. Step 5: Solve for x
   x = 231,359,959,574,064.94/21,538,123.75
6. Step 6: Final answer
   x = 10,741,880.87