Finding the Fourth Proportional to 59,406.40, 81,980.82 and 35,538.69

Step by Step Solution

1. Step 1: Write the proportion equation
   59,406.40 : 81,980.82 = 35,538.69 : x
2. Step 2: Convert to fraction form
   59,406.40/81,980.82 = 35,538.69/x
3. Step 3: Cross multiply
   59,406.40x = 81,980.82 × 35,538.69
4. Step 4: Simplify right side
   59,406.40x = 2,913,490,947.93
5. Step 5: Solve for x
   x = 2,913,490,947.93/59,406.40
6. Step 6: Final answer
   x = 49,043.39