Finding the Fourth Proportional to 199,142.96, 298,715.52 and 58,902.80

Step by Step Solution

1. Step 1: Write the proportion equation
   199,142.96 : 298,715.52 = 58,902.80 : x
2. Step 2: Convert to fraction form
   199,142.96/298,715.52 = 58,902.80/x
3. Step 3: Cross multiply
   199,142.96x = 298,715.52 × 58,902.80
4. Step 4: Simplify right side
   199,142.96x = 17,595,180,531.46
5. Step 5: Solve for x
   x = 17,595,180,531.46/199,142.96
6. Step 6: Final answer
   x = 88,354.52