Finding the Fourth Proportional to 116,070.78, 160,118.72 and 75,808.11

Step by Step Solution

1. Step 1: Write the proportion equation
   116,070.78 : 160,118.72 = 75,808.11 : x
2. Step 2: Convert to fraction form
   116,070.78/160,118.72 = 75,808.11/x
3. Step 3: Cross multiply
   116,070.78x = 160,118.72 × 75,808.11
4. Step 4: Simplify right side
   116,070.78x = 12,138,297,538.82
5. Step 5: Solve for x
   x = 12,138,297,538.82/116,070.78
6. Step 6: Final answer
   x = 104,576.69