Finding the Fourth Proportional to 116,352, 160,565.76 and 63,360

Step by Step Solution

1. Step 1: Write the proportion equation
   116,352 : 160,565.76 = 63,360 : x
2. Step 2: Convert to fraction form
   116,352/160,565.76 = 63,360/x
3. Step 3: Cross multiply
   116,352x = 160,565.76 × 63,360
4. Step 4: Simplify right side
   116,352x = 10,173,446,553.60
5. Step 5: Solve for x
   x = 10,173,446,553.60/116,352
6. Step 6: Final answer
   x = 87,436.80