Finding the Fourth Proportional to 148,189.54, 204,499.50 and 84,528.40

Step by Step Solution

1. Step 1: Write the proportion equation
   148,189.54 : 204,499.50 = 84,528.40 : x
2. Step 2: Convert to fraction form
   148,189.54/204,499.50 = 84,528.40/x
3. Step 3: Cross multiply
   148,189.54x = 204,499.50 × 84,528.40
4. Step 4: Simplify right side
   148,189.54x = 17,286,014,601.91
5. Step 5: Solve for x
   x = 17,286,014,601.91/148,189.54
6. Step 6: Final answer
   x = 116,648.01