Finding the Fourth Proportional to 53,111.10, 79,185.08 and 51,726

Step by Step Solution

1. Step 1: Write the proportion equation
   53,111.10 : 79,185.08 = 51,726 : x
2. Step 2: Convert to fraction form
   53,111.10/79,185.08 = 51,726/x
3. Step 3: Cross multiply
   53,111.10x = 79,185.08 × 51,726
4. Step 4: Simplify right side
   53,111.10x = 4,095,927,448.08
5. Step 5: Solve for x
   x = 4,095,927,448.08/53,111.10
6. Step 6: Final answer
   x = 77,119.99