Finding the Fourth Proportional to 140,047.79, 193,265.83 and 76,385.39

Step by Step Solution

1. Step 1: Write the proportion equation
   140,047.79 : 193,265.83 = 76,385.39 : x
2. Step 2: Convert to fraction form
   140,047.79/193,265.83 = 76,385.39/x
3. Step 3: Cross multiply
   140,047.79x = 193,265.83 × 76,385.39
4. Step 4: Simplify right side
   140,047.79x = 14,762,685,798.22
5. Step 5: Solve for x
   x = 14,762,685,798.22/140,047.79
6. Step 6: Final answer
   x = 105,411.77