Finding the Fourth Proportional to 76,527.50, 105,659.39 and 68,435.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,527.50 : 105,659.39 = 68,435.98 : x
2. Step 2: Convert to fraction form
   76,527.50/105,659.39 = 68,435.98/x
3. Step 3: Cross multiply
   76,527.50x = 105,659.39 × 68,435.98
4. Step 4: Simplify right side
   76,527.50x = 7,230,903,807.79
5. Step 5: Solve for x
   x = 7,230,903,807.79/76,527.50
6. Step 6: Final answer
   x = 94,487.66