Finding the Fourth Proportional to 21,437.00, 32,147.60 and 7,393.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,437.00 : 32,147.60 = 7,393.42 : x
2. Step 2: Convert to fraction form
   21,437.00/32,147.60 = 7,393.42/x
3. Step 3: Cross multiply
   21,437.00x = 32,147.60 × 7,393.42
4. Step 4: Simplify right side
   21,437.00x = 237,680,591.46
5. Step 5: Solve for x
   x = 237,680,591.46/21,437.00
6. Step 6: Final answer
   x = 11,087.40