Finding the Fourth Proportional to 81,373.55, 122,077.76 and 25,212.42

Step by Step Solution

1. Step 1: Write the proportion equation
   81,373.55 : 122,077.76 = 25,212.42 : x
2. Step 2: Convert to fraction form
   81,373.55/122,077.76 = 25,212.42/x
3. Step 3: Cross multiply
   81,373.55x = 122,077.76 × 25,212.42
4. Step 4: Simplify right side
   81,373.55x = 3,077,875,631.72
5. Step 5: Solve for x
   x = 3,077,875,631.72/81,373.55
6. Step 6: Final answer
   x = 37,824.03