Finding the Fourth Proportional to 140,259.94, 193,559.43 and 76,597.74

Step by Step Solution

1. Step 1: Write the proportion equation
   140,259.94 : 193,559.43 = 76,597.74 : x
2. Step 2: Convert to fraction form
   140,259.94/193,559.43 = 76,597.74/x
3. Step 3: Cross multiply
   140,259.94x = 193,559.43 × 76,597.74
4. Step 4: Simplify right side
   140,259.94x = 14,826,213,925.89
5. Step 5: Solve for x
   x = 14,826,213,925.89/140,259.94
6. Step 6: Final answer
   x = 105,705.26