Finding the Fourth Proportional to 101,947, 140,697.89 and 61,682.96

Step by Step Solution

1. Step 1: Write the proportion equation
   101,947 : 140,697.89 = 61,682.96 : x
2. Step 2: Convert to fraction form
   101,947/140,697.89 = 61,682.96/x
3. Step 3: Cross multiply
   101,947x = 140,697.89 × 61,682.96
4. Step 4: Simplify right side
   101,947x = 8,678,662,320.95
5. Step 5: Solve for x
   x = 8,678,662,320.95/101,947
6. Step 6: Final answer
   x = 85,129.16