Finding the Fourth Proportional to 109,380.28, 164,068.08 and 30,492.40

Step by Step Solution

1. Step 1: Write the proportion equation
   109,380.28 : 164,068.08 = 30,492.40 : x
2. Step 2: Convert to fraction form
   109,380.28/164,068.08 = 30,492.40/x
3. Step 3: Cross multiply
   109,380.28x = 164,068.08 × 30,492.40
4. Step 4: Simplify right side
   109,380.28x = 5,002,829,522.59
5. Step 5: Solve for x
   x = 5,002,829,522.59/109,380.28
6. Step 6: Final answer
   x = 45,737.95