Finding the Fourth Proportional to 79,085.90, 109,097.67 and 53,583.54

Step by Step Solution

1. Step 1: Write the proportion equation
   79,085.90 : 109,097.67 = 53,583.54 : x
2. Step 2: Convert to fraction form
   79,085.90/109,097.67 = 53,583.54/x
3. Step 3: Cross multiply
   79,085.90x = 109,097.67 × 53,583.54
4. Step 4: Simplify right side
   79,085.90x = 5,845,839,769.85
5. Step 5: Solve for x
   x = 5,845,839,769.85/79,085.90
6. Step 6: Final answer
   x = 73,917.60