Finding the Fourth Proportional to 181,659.72, 272,095.74 and 87,969

Step by Step Solution

1. Step 1: Write the proportion equation
   181,659.72 : 272,095.74 = 87,969 : x
2. Step 2: Convert to fraction form
   181,659.72/272,095.74 = 87,969/x
3. Step 3: Cross multiply
   181,659.72x = 272,095.74 × 87,969
4. Step 4: Simplify right side
   181,659.72x = 23,935,990,152.06
5. Step 5: Solve for x
   x = 23,935,990,152.06/181,659.72
6. Step 6: Final answer
   x = 131,762.78