Finding the Fourth Proportional to 181,638.72, 272,064.24 and 87,948

Step by Step Solution

1. Step 1: Write the proportion equation
   181,638.72 : 272,064.24 = 87,948 : x
2. Step 2: Convert to fraction form
   181,638.72/272,064.24 = 87,948/x
3. Step 3: Cross multiply
   181,638.72x = 272,064.24 × 87,948
4. Step 4: Simplify right side
   181,638.72x = 23,927,505,779.52
5. Step 5: Solve for x
   x = 23,927,505,779.52/181,638.72
6. Step 6: Final answer
   x = 131,731.31