Finding the Fourth Proportional to 116,343.19, 160,614.83 and 78,302.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,343.19 : 160,614.83 = 78,302.72 : x
2. Step 2: Convert to fraction form
   116,343.19/160,614.83 = 78,302.72/x
3. Step 3: Cross multiply
   116,343.19x = 160,614.83 × 78,302.72
4. Step 4: Simplify right side
   116,343.19x = 12,576,578,061.34
5. Step 5: Solve for x
   x = 12,576,578,061.34/116,343.19
6. Step 6: Final answer
   x = 108,098.96