Finding the Fourth Proportional to 148,085.84, 204,363.16 and 81,017.84

Step by Step Solution

1. Step 1: Write the proportion equation
   148,085.84 : 204,363.16 = 81,017.84 : x
2. Step 2: Convert to fraction form
   148,085.84/204,363.16 = 81,017.84/x
3. Step 3: Cross multiply
   148,085.84x = 204,363.16 × 81,017.84
4. Step 4: Simplify right side
   148,085.84x = 16,557,061,798.77
5. Step 5: Solve for x
   x = 16,557,061,798.77/148,085.84
6. Step 6: Final answer
   x = 111,807.19