Finding the Fourth Proportional to 55,822.64, 77,034.72 and 30,671.60

Step by Step Solution

1. Step 1: Write the proportion equation
   55,822.64 : 77,034.72 = 30,671.60 : x
2. Step 2: Convert to fraction form
   55,822.64/77,034.72 = 30,671.60/x
3. Step 3: Cross multiply
   55,822.64x = 77,034.72 × 30,671.60
4. Step 4: Simplify right side
   55,822.64x = 2,362,778,117.95
5. Step 5: Solve for x
   x = 2,362,778,117.95/55,822.64
6. Step 6: Final answer
   x = 42,326.52