Finding the Fourth Proportional to 53,165.86, 79,750.71 and 18,100.96

Step by Step Solution

1. Step 1: Write the proportion equation
   53,165.86 : 79,750.71 = 18,100.96 : x
2. Step 2: Convert to fraction form
   53,165.86/79,750.71 = 18,100.96/x
3. Step 3: Cross multiply
   53,165.86x = 79,750.71 × 18,100.96
4. Step 4: Simplify right side
   53,165.86x = 1,443,564,411.68
5. Step 5: Solve for x
   x = 1,443,564,411.68/53,165.86
6. Step 6: Final answer
   x = 27,152.09