Finding the Fourth Proportional to 71,196, 106,802.64 and 21,948

Step by Step Solution

1. Step 1: Write the proportion equation
   71,196 : 106,802.64 = 21,948 : x
2. Step 2: Convert to fraction form
   71,196/106,802.64 = 21,948/x
3. Step 3: Cross multiply
   71,196x = 106,802.64 × 21,948
4. Step 4: Simplify right side
   71,196x = 2,344,104,342.72
5. Step 5: Solve for x
   x = 2,344,104,342.72/71,196
6. Step 6: Final answer
   x = 32,924.66