Finding the Fourth Proportional to 130,186.71, 195,306.18 and 55,306.26

Step by Step Solution

1. Step 1: Write the proportion equation
   130,186.71 : 195,306.18 = 55,306.26 : x
2. Step 2: Convert to fraction form
   130,186.71/195,306.18 = 55,306.26/x
3. Step 3: Cross multiply
   130,186.71x = 195,306.18 × 55,306.26
4. Step 4: Simplify right side
   130,186.71x = 10,801,654,370.69
5. Step 5: Solve for x
   x = 10,801,654,370.69/130,186.71
6. Step 6: Final answer
   x = 82,970.48