Finding the Fourth Proportional to 91,819.83, 137,803.56 and 47,459.58

Step by Step Solution

1. Step 1: Write the proportion equation
   91,819.83 : 137,803.56 = 47,459.58 : x
2. Step 2: Convert to fraction form
   91,819.83/137,803.56 = 47,459.58/x
3. Step 3: Cross multiply
   91,819.83x = 137,803.56 × 47,459.58
4. Step 4: Simplify right side
   91,819.83x = 6,540,099,080.10
5. Step 5: Solve for x
   x = 6,540,099,080.10/91,819.83
6. Step 6: Final answer
   x = 71,227.52