Finding the Fourth Proportional to 129,762.89, 194,422.86 and 70,492.42

Step by Step Solution

1. Step 1: Write the proportion equation
   129,762.89 : 194,422.86 = 70,492.42 : x
2. Step 2: Convert to fraction form
   129,762.89/194,422.86 = 70,492.42/x
3. Step 3: Cross multiply
   129,762.89x = 194,422.86 × 70,492.42
4. Step 4: Simplify right side
   129,762.89x = 13,705,337,418.66
5. Step 5: Solve for x
   x = 13,705,337,418.66/129,762.89
6. Step 6: Final answer
   x = 105,618.32