Finding the Fourth Proportional to 83,417.74, 125,100.72 and 30,102.79

Step by Step Solution

1. Step 1: Write the proportion equation
   83,417.74 : 125,100.72 = 30,102.79 : x
2. Step 2: Convert to fraction form
   83,417.74/125,100.72 = 30,102.79/x
3. Step 3: Cross multiply
   83,417.74x = 125,100.72 × 30,102.79
4. Step 4: Simplify right side
   83,417.74x = 3,765,880,703.01
5. Step 5: Solve for x
   x = 3,765,880,703.01/83,417.74
6. Step 6: Final answer
   x = 45,144.84