Finding the Fourth Proportional to 65,642, 97,950.77 and 58,573.40

Step by Step Solution

1. Step 1: Write the proportion equation
   65,642 : 97,950.77 = 58,573.40 : x
2. Step 2: Convert to fraction form
   65,642/97,950.77 = 58,573.40/x
3. Step 3: Cross multiply
   65,642x = 97,950.77 × 58,573.40
4. Step 4: Simplify right side
   65,642x = 5,737,309,631.52
5. Step 5: Solve for x
   x = 5,737,309,631.52/65,642
6. Step 6: Final answer
   x = 87,403.03