Finding the Fourth Proportional to 146,490.40, 219,744.17 and 56,533.58

Step by Step Solution

1. Step 1: Write the proportion equation
   146,490.40 : 219,744.17 = 56,533.58 : x
2. Step 2: Convert to fraction form
   146,490.40/219,744.17 = 56,533.58/x
3. Step 3: Cross multiply
   146,490.40x = 219,744.17 × 56,533.58
4. Step 4: Simplify right side
   146,490.40x = 12,422,924,788.83
5. Step 5: Solve for x
   x = 12,422,924,788.83/146,490.40
6. Step 6: Final answer
   x = 84,803.68