Finding the Fourth Proportional to 60,643.08, 91,066.86 and 39,619.08

Step by Step Solution

1. Step 1: Write the proportion equation
   60,643.08 : 91,066.86 = 39,619.08 : x
2. Step 2: Convert to fraction form
   60,643.08/91,066.86 = 39,619.08/x
3. Step 3: Cross multiply
   60,643.08x = 91,066.86 × 39,619.08
4. Step 4: Simplify right side
   60,643.08x = 3,607,985,211.69
5. Step 5: Solve for x
   x = 3,607,985,211.69/60,643.08
6. Step 6: Final answer
   x = 59,495.42