Finding the Fourth Proportional to 116,342.69, 160,614.14 and 78,302.22

Step by Step Solution

1. Step 1: Write the proportion equation
   116,342.69 : 160,614.14 = 78,302.22 : x
2. Step 2: Convert to fraction form
   116,342.69/160,614.14 = 78,302.22/x
3. Step 3: Cross multiply
   116,342.69x = 160,614.14 × 78,302.22
4. Step 4: Simplify right side
   116,342.69x = 12,576,443,725.39
5. Step 5: Solve for x
   x = 12,576,443,725.39/116,342.69
6. Step 6: Final answer
   x = 108,098.27