Finding the Fourth Proportional to 136,493.55, 204,643.35 and 52,182.72

Step by Step Solution

1. Step 1: Write the proportion equation
   136,493.55 : 204,643.35 = 52,182.72 : x
2. Step 2: Convert to fraction form
   136,493.55/204,643.35 = 52,182.72/x
3. Step 3: Cross multiply
   136,493.55x = 204,643.35 × 52,182.72
4. Step 4: Simplify right side
   136,493.55x = 10,678,846,632.91
5. Step 5: Solve for x
   x = 10,678,846,632.91/136,493.55
6. Step 6: Final answer
   x = 78,237.01