Finding the Fourth Proportional to 99,506.93, 137,085.94 and 69,240.27

Step by Step Solution

1. Step 1: Write the proportion equation
   99,506.93 : 137,085.94 = 69,240.27 : x
2. Step 2: Convert to fraction form
   99,506.93/137,085.94 = 69,240.27/x
3. Step 3: Cross multiply
   99,506.93x = 137,085.94 × 69,240.27
4. Step 4: Simplify right side
   99,506.93x = 9,491,867,498.80
5. Step 5: Solve for x
   x = 9,491,867,498.80/99,506.93
6. Step 6: Final answer
   x = 95,389.01