Finding the Fourth Proportional to 145,131.75, 200,303.69 and 88,575.93

Step by Step Solution

1. Step 1: Write the proportion equation
   145,131.75 : 200,303.69 = 88,575.93 : x
2. Step 2: Convert to fraction form
   145,131.75/200,303.69 = 88,575.93/x
3. Step 3: Cross multiply
   145,131.75x = 200,303.69 × 88,575.93
4. Step 4: Simplify right side
   145,131.75x = 17,742,085,181.30
5. Step 5: Solve for x
   x = 17,742,085,181.30/145,131.75
6. Step 6: Final answer
   x = 122,248.13