Finding the Fourth Proportional to 59,406.47, 81,980.91 and 35,538.75

Step by Step Solution

1. Step 1: Write the proportion equation
   59,406.47 : 81,980.91 = 35,538.75 : x
2. Step 2: Convert to fraction form
   59,406.47/81,980.91 = 35,538.75/x
3. Step 3: Cross multiply
   59,406.47x = 81,980.91 × 35,538.75
4. Step 4: Simplify right side
   59,406.47x = 2,913,499,065.26
5. Step 5: Solve for x
   x = 2,913,499,065.26/59,406.47
6. Step 6: Final answer
   x = 49,043.46