Finding the Fourth Proportional to 38,499.31, 53,125.59 and 21,501.19

Step by Step Solution

1. Step 1: Write the proportion equation
   38,499.31 : 53,125.59 = 21,501.19 : x
2. Step 2: Convert to fraction form
   38,499.31/53,125.59 = 21,501.19/x
3. Step 3: Cross multiply
   38,499.31x = 53,125.59 × 21,501.19
4. Step 4: Simplify right side
   38,499.31x = 1,142,263,404.45
5. Step 5: Solve for x
   x = 1,142,263,404.45/38,499.31
6. Step 6: Final answer
   x = 29,669.71