Finding the Fourth Proportional to 65,987.88, 91,062.15 and 37,307.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,987.88 : 91,062.15 = 37,307.10 : x
2. Step 2: Convert to fraction form
   65,987.88/91,062.15 = 37,307.10/x
3. Step 3: Cross multiply
   65,987.88x = 91,062.15 × 37,307.10
4. Step 4: Simplify right side
   65,987.88x = 3,397,264,736.27
5. Step 5: Solve for x
   x = 3,397,264,736.27/65,987.88
6. Step 6: Final answer
   x = 51,483.16