Finding the Fourth Proportional to 146,612.52, 219,768.54 and 57,830.04

Step by Step Solution

1. Step 1: Write the proportion equation
   146,612.52 : 219,768.54 = 57,830.04 : x
2. Step 2: Convert to fraction form
   146,612.52/219,768.54 = 57,830.04/x
3. Step 3: Cross multiply
   146,612.52x = 219,768.54 × 57,830.04
4. Step 4: Simplify right side
   146,612.52x = 12,709,223,458.94
5. Step 5: Solve for x
   x = 12,709,223,458.94/146,612.52
6. Step 6: Final answer
   x = 86,685.80