Finding the Fourth Proportional to 59,069.66, 88,613.39 and 21,116.09

Step by Step Solution

1. Step 1: Write the proportion equation
   59,069.66 : 88,613.39 = 21,116.09 : x
2. Step 2: Convert to fraction form
   59,069.66/88,613.39 = 21,116.09/x
3. Step 3: Cross multiply
   59,069.66x = 88,613.39 × 21,116.09
4. Step 4: Simplify right side
   59,069.66x = 1,871,168,592.77
5. Step 5: Solve for x
   x = 1,871,168,592.77/59,069.66
6. Step 6: Final answer
   x = 31,677.32