Finding the Fourth Proportional to 137,300.85, 205,793.10 and 53,023.86

Step by Step Solution

1. Step 1: Write the proportion equation
   137,300.85 : 205,793.10 = 53,023.86 : x
2. Step 2: Convert to fraction form
   137,300.85/205,793.10 = 53,023.86/x
3. Step 3: Cross multiply
   137,300.85x = 205,793.10 × 53,023.86
4. Step 4: Simplify right side
   137,300.85x = 10,911,944,523.37
5. Step 5: Solve for x
   x = 10,911,944,523.37/137,300.85
6. Step 6: Final answer
   x = 79,474.70