Finding the Fourth Proportional to 61,051, 91,992.52 and 50,200.76

Step by Step Solution

1. Step 1: Write the proportion equation
   61,051 : 91,992.52 = 50,200.76 : x
2. Step 2: Convert to fraction form
   61,051/91,992.52 = 50,200.76/x
3. Step 3: Cross multiply
   61,051x = 91,992.52 × 50,200.76
4. Step 4: Simplify right side
   61,051x = 4,618,094,418.32
5. Step 5: Solve for x
   x = 4,618,094,418.32/61,051
6. Step 6: Final answer
   x = 75,643.22