Finding the Fourth Proportional to 58,182.06, 80,338.59 and 47,428.62

Step by Step Solution

1. Step 1: Write the proportion equation
   58,182.06 : 80,338.59 = 47,428.62 : x
2. Step 2: Convert to fraction form
   58,182.06/80,338.59 = 47,428.62/x
3. Step 3: Cross multiply
   58,182.06x = 80,338.59 × 47,428.62
4. Step 4: Simplify right side
   58,182.06x = 3,810,348,456.45
5. Step 5: Solve for x
   x = 3,810,348,456.45/58,182.06
6. Step 6: Final answer
   x = 65,490.09