Finding the Fourth Proportional to 148,002.89, 204,263.99 and 83,485.37

Step by Step Solution

1. Step 1: Write the proportion equation
   148,002.89 : 204,263.99 = 83,485.37 : x
2. Step 2: Convert to fraction form
   148,002.89/204,263.99 = 83,485.37/x
3. Step 3: Cross multiply
   148,002.89x = 204,263.99 × 83,485.37
4. Step 4: Simplify right side
   148,002.89x = 17,053,053,344.08
5. Step 5: Solve for x
   x = 17,053,053,344.08/148,002.89
6. Step 6: Final answer
   x = 115,221.09