Finding the Fourth Proportional to 56,406.52, 85,006.06 and 50,791.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,406.52 : 85,006.06 = 50,791.06 : x
2. Step 2: Convert to fraction form
   56,406.52/85,006.06 = 50,791.06/x
3. Step 3: Cross multiply
   56,406.52x = 85,006.06 × 50,791.06
4. Step 4: Simplify right side
   56,406.52x = 4,317,547,893.82
5. Step 5: Solve for x
   x = 4,317,547,893.82/56,406.52
6. Step 6: Final answer
   x = 76,543.42