Finding the Fourth Proportional to 181,870.68, 272,843.82 and 76,690.56

Step by Step Solution

1. Step 1: Write the proportion equation
   181,870.68 : 272,843.82 = 76,690.56 : x
2. Step 2: Convert to fraction form
   181,870.68/272,843.82 = 76,690.56/x
3. Step 3: Cross multiply
   181,870.68x = 272,843.82 × 76,690.56
4. Step 4: Simplify right side
   181,870.68x = 20,924,545,348.34
5. Step 5: Solve for x
   x = 20,924,545,348.34/181,870.68
6. Step 6: Final answer
   x = 115,051.78