Finding the Fourth Proportional to 53,061.41, 79,564.73 and 15,616.62

Step by Step Solution

1. Step 1: Write the proportion equation
   53,061.41 : 79,564.73 = 15,616.62 : x
2. Step 2: Convert to fraction form
   53,061.41/79,564.73 = 15,616.62/x
3. Step 3: Cross multiply
   53,061.41x = 79,564.73 × 15,616.62
4. Step 4: Simplify right side
   53,061.41x = 1,242,532,153.81
5. Step 5: Solve for x
   x = 1,242,532,153.81/53,061.41
6. Step 6: Final answer
   x = 23,416.87