Finding the Fourth Proportional to 130,131.17, 195,225.48 and 55,315.25

Step by Step Solution

1. Step 1: Write the proportion equation
   130,131.17 : 195,225.48 = 55,315.25 : x
2. Step 2: Convert to fraction form
   130,131.17/195,225.48 = 55,315.25/x
3. Step 3: Cross multiply
   130,131.17x = 195,225.48 × 55,315.25
4. Step 4: Simplify right side
   130,131.17x = 10,798,945,256.44
5. Step 5: Solve for x
   x = 10,798,945,256.44/130,131.17
6. Step 6: Final answer
   x = 82,985.08