Finding the Fourth Proportional to 55,913, 77,159.94 and 30,762.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,913 : 77,159.94 = 30,762.50 : x
2. Step 2: Convert to fraction form
   55,913/77,159.94 = 30,762.50/x
3. Step 3: Cross multiply
   55,913x = 77,159.94 × 30,762.50
4. Step 4: Simplify right side
   55,913x = 2,373,632,654.25
5. Step 5: Solve for x
   x = 2,373,632,654.25/55,913
6. Step 6: Final answer
   x = 42,452.25