Finding the Fourth Proportional to 65,988, 91,026.18 and 39,104.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,988 : 91,026.18 = 39,104.10 : x
2. Step 2: Convert to fraction form
   65,988/91,026.18 = 39,104.10/x
3. Step 3: Cross multiply
   65,988x = 91,026.18 × 39,104.10
4. Step 4: Simplify right side
   65,988x = 3,559,496,845.34
5. Step 5: Solve for x
   x = 3,559,496,845.34/65,988
6. Step 6: Final answer
   x = 53,941.58