Finding the Fourth Proportional to 109,869.56, 164,810.90 and 30,990.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,869.56 : 164,810.90 = 30,990.52 : x
2. Step 2: Convert to fraction form
   109,869.56/164,810.90 = 30,990.52/x
3. Step 3: Cross multiply
   109,869.56x = 164,810.90 × 30,990.52
4. Step 4: Simplify right side
   109,869.56x = 5,107,575,492.67
5. Step 5: Solve for x
   x = 5,107,575,492.67/109,869.56
6. Step 6: Final answer
   x = 46,487.63