Finding the Fourth Proportional to 51,403.86, 76,637.52 and 50,111.10

Step by Step Solution

1. Step 1: Write the proportion equation
   51,403.86 : 76,637.52 = 50,111.10 : x
2. Step 2: Convert to fraction form
   51,403.86/76,637.52 = 50,111.10/x
3. Step 3: Cross multiply
   51,403.86x = 76,637.52 × 50,111.10
4. Step 4: Simplify right side
   51,403.86x = 3,840,390,428.47
5. Step 5: Solve for x
   x = 3,840,390,428.47/51,403.86
6. Step 6: Final answer
   x = 74,710.16