Finding the Fourth Proportional to 59,492.88, 89,242.29 and 19,515.90

Step by Step Solution

1. Step 1: Write the proportion equation
   59,492.88 : 89,242.29 = 19,515.90 : x
2. Step 2: Convert to fraction form
   59,492.88/89,242.29 = 19,515.90/x
3. Step 3: Cross multiply
   59,492.88x = 89,242.29 × 19,515.90
4. Step 4: Simplify right side
   59,492.88x = 1,741,643,607.41
5. Step 5: Solve for x
   x = 1,741,643,607.41/59,492.88
6. Step 6: Final answer
   x = 29,274.82