Finding the Fourth Proportional to 65,642.50, 97,951.52 and 58,573.90

Step by Step Solution

1. Step 1: Write the proportion equation
   65,642.50 : 97,951.52 = 58,573.90 : x
2. Step 2: Convert to fraction form
   65,642.50/97,951.52 = 58,573.90/x
3. Step 3: Cross multiply
   65,642.50x = 97,951.52 × 58,573.90
4. Step 4: Simplify right side
   65,642.50x = 5,737,402,537.33
5. Step 5: Solve for x
   x = 5,737,402,537.33/65,642.50
6. Step 6: Final answer
   x = 87,403.78