Finding the Fourth Proportional to 73,151.51, 109,714.80 and 20,548.69

Step by Step Solution

1. Step 1: Write the proportion equation
   73,151.51 : 109,714.80 = 20,548.69 : x
2. Step 2: Convert to fraction form
   73,151.51/109,714.80 = 20,548.69/x
3. Step 3: Cross multiply
   73,151.51x = 109,714.80 × 20,548.69
4. Step 4: Simplify right side
   73,151.51x = 2,254,495,216.38
5. Step 5: Solve for x
   x = 2,254,495,216.38/73,151.51
6. Step 6: Final answer
   x = 30,819.53