Finding the Fourth Proportional to 116,374.08, 160,595.82 and 65,388.15

Step by Step Solution

1. Step 1: Write the proportion equation
   116,374.08 : 160,595.82 = 65,388.15 : x
2. Step 2: Convert to fraction form
   116,374.08/160,595.82 = 65,388.15/x
3. Step 3: Cross multiply
   116,374.08x = 160,595.82 × 65,388.15
4. Step 4: Simplify right side
   116,374.08x = 10,501,063,567.53
5. Step 5: Solve for x
   x = 10,501,063,567.53/116,374.08
6. Step 6: Final answer
   x = 90,235.42