Finding the Fourth Proportional to 130,208.31, 195,156.20 and 67,058.15

Step by Step Solution

1. Step 1: Write the proportion equation
   130,208.31 : 195,156.20 = 67,058.15 : x
2. Step 2: Convert to fraction form
   130,208.31/195,156.20 = 67,058.15/x
3. Step 3: Cross multiply
   130,208.31x = 195,156.20 × 67,058.15
4. Step 4: Simplify right side
   130,208.31x = 13,086,812,924.89
5. Step 5: Solve for x
   x = 13,086,812,924.89/130,208.31
6. Step 6: Final answer
   x = 100,506.74