Finding the Fourth Proportional to 55,849.05, 77,070.83 and 30,698.01

Step by Step Solution

1. Step 1: Write the proportion equation
   55,849.05 : 77,070.83 = 30,698.01 : x
2. Step 2: Convert to fraction form
   55,849.05/77,070.83 = 30,698.01/x
3. Step 3: Cross multiply
   55,849.05x = 77,070.83 × 30,698.01
4. Step 4: Simplify right side
   55,849.05x = 2,365,920,956.56
5. Step 5: Solve for x
   x = 2,365,920,956.56/55,849.05
6. Step 6: Final answer
   x = 42,362.78