Finding the Fourth Proportional to 181,527.78, 272,317.59 and 56,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   181,527.78 : 272,317.59 = 56,878.50 : x
2. Step 2: Convert to fraction form
   181,527.78/272,317.59 = 56,878.50/x
3. Step 3: Cross multiply
   181,527.78x = 272,317.59 × 56,878.50
4. Step 4: Simplify right side
   181,527.78x = 15,489,016,042.82
5. Step 5: Solve for x
   x = 15,489,016,042.82/181,527.78
6. Step 6: Final answer
   x = 85,325.87