Finding the Fourth Proportional to 92,242.89, 137,576.73 and 78,294.69

Step by Step Solution

1. Step 1: Write the proportion equation
   92,242.89 : 137,576.73 = 78,294.69 : x
2. Step 2: Convert to fraction form
   92,242.89/137,576.73 = 78,294.69/x
3. Step 3: Cross multiply
   92,242.89x = 137,576.73 × 78,294.69
4. Step 4: Simplify right side
   92,242.89x = 10,771,527,426.56
5. Step 5: Solve for x
   x = 10,771,527,426.56/92,242.89
6. Step 6: Final answer
   x = 116,773.53