Finding the Fourth Proportional to 106,196.47, 146,553.91 and 57,801.60

Step by Step Solution

1. Step 1: Write the proportion equation
   106,196.47 : 146,553.91 = 57,801.60 : x
2. Step 2: Convert to fraction form
   106,196.47/146,553.91 = 57,801.60/x
3. Step 3: Cross multiply
   106,196.47x = 146,553.91 × 57,801.60
4. Step 4: Simplify right side
   106,196.47x = 8,471,050,339.75
5. Step 5: Solve for x
   x = 8,471,050,339.75/106,196.47
6. Step 6: Final answer
   x = 79,767.72