Finding the Fourth Proportional to 87,162.53, 130,700.57 and 30,994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   87,162.53 : 130,700.57 = 30,994.18 : x
2. Step 2: Convert to fraction form
   87,162.53/130,700.57 = 30,994.18/x
3. Step 3: Cross multiply
   87,162.53x = 130,700.57 × 30,994.18
4. Step 4: Simplify right side
   87,162.53x = 4,050,956,510.96
5. Step 5: Solve for x
   x = 4,050,956,510.96/87,162.53
6. Step 6: Final answer
   x = 46,475.90