Finding the Fourth Proportional to 116,357, 160,572.66 and 63,365

Step by Step Solution

1. Step 1: Write the proportion equation
   116,357 : 160,572.66 = 63,365 : x
2. Step 2: Convert to fraction form
   116,357/160,572.66 = 63,365/x
3. Step 3: Cross multiply
   116,357x = 160,572.66 × 63,365
4. Step 4: Simplify right side
   116,357x = 10,174,686,600.90
5. Step 5: Solve for x
   x = 10,174,686,600.90/116,357
6. Step 6: Final answer
   x = 87,443.70