Finding the Fourth Proportional to 55,980.09, 77,248.98 and 30,829.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,980.09 : 77,248.98 = 30,829.59 : x
2. Step 2: Convert to fraction form
   55,980.09/77,248.98 = 30,829.59/x
3. Step 3: Cross multiply
   55,980.09x = 77,248.98 × 30,829.59
4. Step 4: Simplify right side
   55,980.09x = 2,381,554,381.32
5. Step 5: Solve for x
   x = 2,381,554,381.32/55,980.09
6. Step 6: Final answer
   x = 42,542.88