Finding the Fourth Proportional to 145,789.74, 218,714.31 and 55,826.10

Step by Step Solution

1. Step 1: Write the proportion equation
   145,789.74 : 218,714.31 = 55,826.10 : x
2. Step 2: Convert to fraction form
   145,789.74/218,714.31 = 55,826.10/x
3. Step 3: Cross multiply
   145,789.74x = 218,714.31 × 55,826.10
4. Step 4: Simplify right side
   145,789.74x = 12,209,966,941.49
5. Step 5: Solve for x
   x = 12,209,966,941.49/145,789.74
6. Step 6: Final answer
   x = 83,750.52