Finding the Fourth Proportional to 148,643.46, 205,069.57 and 84,947.08

Step by Step Solution

1. Step 1: Write the proportion equation
   148,643.46 : 205,069.57 = 84,947.08 : x
2. Step 2: Convert to fraction form
   148,643.46/205,069.57 = 84,947.08/x
3. Step 3: Cross multiply
   148,643.46x = 205,069.57 × 84,947.08
4. Step 4: Simplify right side
   148,643.46x = 17,420,061,168.36
5. Step 5: Solve for x
   x = 17,420,061,168.36/148,643.46
6. Step 6: Final answer
   x = 117,193.59