Finding the Fourth Proportional to 108,506.25, 149,777.93 and 88,328.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,506.25 : 149,777.93 = 88,328.10 : x
2. Step 2: Convert to fraction form
   108,506.25/149,777.93 = 88,328.10/x
3. Step 3: Cross multiply
   108,506.25x = 149,777.93 × 88,328.10
4. Step 4: Simplify right side
   108,506.25x = 13,229,599,978.83
5. Step 5: Solve for x
   x = 13,229,599,978.83/108,506.25
6. Step 6: Final answer
   x = 121,924.77