Finding the Fourth Proportional to 86,923.42, 130,362.42 and 30,758.02

Step by Step Solution

1. Step 1: Write the proportion equation
   86,923.42 : 130,362.42 = 30,758.02 : x
2. Step 2: Convert to fraction form
   86,923.42/130,362.42 = 30,758.02/x
3. Step 3: Cross multiply
   86,923.42x = 130,362.42 × 30,758.02
4. Step 4: Simplify right side
   86,923.42x = 4,009,689,921.61
5. Step 5: Solve for x
   x = 4,009,689,921.61/86,923.42
6. Step 6: Final answer
   x = 46,128.99