Finding the Fourth Proportional to 94,895.28, 130,870.64 and 78,736.98

Step by Step Solution

1. Step 1: Write the proportion equation
   94,895.28 : 130,870.64 = 78,736.98 : x
2. Step 2: Convert to fraction form
   94,895.28/130,870.64 = 78,736.98/x
3. Step 3: Cross multiply
   94,895.28x = 130,870.64 × 78,736.98
4. Step 4: Simplify right side
   94,895.28x = 10,304,358,964.27
5. Step 5: Solve for x
   x = 10,304,358,964.27/94,895.28
6. Step 6: Final answer
   x = 108,586.63