Finding the Fourth Proportional to 38,492.10, 53,118.83 and 21,495.33

Step by Step Solution

1. Step 1: Write the proportion equation
   38,492.10 : 53,118.83 = 21,495.33 : x
2. Step 2: Convert to fraction form
   38,492.10/53,118.83 = 21,495.33/x
3. Step 3: Cross multiply
   38,492.10x = 53,118.83 × 21,495.33
4. Step 4: Simplify right side
   38,492.10x = 1,141,806,833.80
5. Step 5: Solve for x
   x = 1,141,806,833.80/38,492.10
6. Step 6: Final answer
   x = 29,663.41