Finding the Fourth Proportional to 94,256.56, 130,030.72 and 83,512.40

Step by Step Solution

1. Step 1: Write the proportion equation
   94,256.56 : 130,030.72 = 83,512.40 : x
2. Step 2: Convert to fraction form
   94,256.56/130,030.72 = 83,512.40/x
3. Step 3: Cross multiply
   94,256.56x = 130,030.72 × 83,512.40
4. Step 4: Simplify right side
   94,256.56x = 10,859,177,500.93
5. Step 5: Solve for x
   x = 10,859,177,500.93/94,256.56
6. Step 6: Final answer
   x = 115,208.72