Finding the Fourth Proportional to 109,505.50, 164,381.33 and 84,842.98

Step by Step Solution

1. Step 1: Write the proportion equation
   109,505.50 : 164,381.33 = 84,842.98 : x
2. Step 2: Convert to fraction form
   109,505.50/164,381.33 = 84,842.98/x
3. Step 3: Cross multiply
   109,505.50x = 164,381.33 × 84,842.98
4. Step 4: Simplify right side
   109,505.50x = 13,946,601,694.72
5. Step 5: Solve for x
   x = 13,946,601,694.72/109,505.50
6. Step 6: Final answer
   x = 127,359.83