Finding the Fourth Proportional to 94,689.57, 130,859.69 and 77,667.33

Step by Step Solution

1. Step 1: Write the proportion equation
   94,689.57 : 130,859.69 = 77,667.33 : x
2. Step 2: Convert to fraction form
   94,689.57/130,859.69 = 77,667.33/x
3. Step 3: Cross multiply
   94,689.57x = 130,859.69 × 77,667.33
4. Step 4: Simplify right side
   94,689.57x = 10,163,522,338.59
5. Step 5: Solve for x
   x = 10,163,522,338.59/94,689.57
6. Step 6: Final answer
   x = 107,335.18