Finding the Fourth Proportional to 55,848.50, 77,071.05 and 30,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,848.50 : 77,071.05 = 30,698.18 : x
2. Step 2: Convert to fraction form
   55,848.50/77,071.05 = 30,698.18/x
3. Step 3: Cross multiply
   55,848.50x = 77,071.05 × 30,698.18
4. Step 4: Simplify right side
   55,848.50x = 2,365,940,965.69
5. Step 5: Solve for x
   x = 2,365,940,965.69/55,848.50
6. Step 6: Final answer
   x = 42,363.55