Finding the Fourth Proportional to 21,948.67, 32,925.89 and 7,152.40

Step by Step Solution

1. Step 1: Write the proportion equation
   21,948.67 : 32,925.89 = 7,152.40 : x
2. Step 2: Convert to fraction form
   21,948.67/32,925.89 = 7,152.40/x
3. Step 3: Cross multiply
   21,948.67x = 32,925.89 × 7,152.40
4. Step 4: Simplify right side
   21,948.67x = 235,499,194.67
5. Step 5: Solve for x
   x = 235,499,194.67/21,948.67
6. Step 6: Final answer
   x = 10,729.54