Finding the Fourth Proportional to 130,146.30, 195,284.79 and 51,317.10

Step by Step Solution

1. Step 1: Write the proportion equation
   130,146.30 : 195,284.79 = 51,317.10 : x
2. Step 2: Convert to fraction form
   130,146.30/195,284.79 = 51,317.10/x
3. Step 3: Cross multiply
   130,146.30x = 195,284.79 × 51,317.10
4. Step 4: Simplify right side
   130,146.30x = 10,021,449,096.91
5. Step 5: Solve for x
   x = 10,021,449,096.91/130,146.30
6. Step 6: Final answer
   x = 77,001.41