Finding the Fourth Proportional to 112,847.40, 155,746.02 and 65,091.42

Step by Step Solution

1. Step 1: Write the proportion equation
   112,847.40 : 155,746.02 = 65,091.42 : x
2. Step 2: Convert to fraction form
   112,847.40/155,746.02 = 65,091.42/x
3. Step 3: Cross multiply
   112,847.40x = 155,746.02 × 65,091.42
4. Step 4: Simplify right side
   112,847.40x = 10,137,729,601.15
5. Step 5: Solve for x
   x = 10,137,729,601.15/112,847.40
6. Step 6: Final answer
   x = 89,835.74