Finding the Fourth Proportional to 140,068.41, 193,293.16 and 76,404.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,068.41 : 193,293.16 = 76,404.84 : x
2. Step 2: Convert to fraction form
   140,068.41/193,293.16 = 76,404.84/x
3. Step 3: Cross multiply
   140,068.41x = 193,293.16 × 76,404.84
4. Step 4: Simplify right side
   140,068.41x = 14,768,532,962.89
5. Step 5: Solve for x
   x = 14,768,532,962.89/140,068.41
6. Step 6: Final answer
   x = 105,438.00