Finding the Fourth Proportional to 53,196.58, 79,559.58 and 47,314.74

Step by Step Solution

1. Step 1: Write the proportion equation
   53,196.58 : 79,559.58 = 47,314.74 : x
2. Step 2: Convert to fraction form
   53,196.58/79,559.58 = 47,314.74/x
3. Step 3: Cross multiply
   53,196.58x = 79,559.58 × 47,314.74
4. Step 4: Simplify right side
   53,196.58x = 3,764,340,842.21
5. Step 5: Solve for x
   x = 3,764,340,842.21/53,196.58
6. Step 6: Final answer
   x = 70,762.84