Finding the Fourth Proportional to 60,763.80, 91,613.28 and 59,675.16

Step by Step Solution

1. Step 1: Write the proportion equation
   60,763.80 : 91,613.28 = 59,675.16 : x
2. Step 2: Convert to fraction form
   60,763.80/91,613.28 = 59,675.16/x
3. Step 3: Cross multiply
   60,763.80x = 91,613.28 × 59,675.16
4. Step 4: Simplify right side
   60,763.80x = 5,467,037,142.12
5. Step 5: Solve for x
   x = 5,467,037,142.12/60,763.80
6. Step 6: Final answer
   x = 89,971.94