Finding the Fourth Proportional to 164,123.61, 245,485.56 and 100,788.09

Step by Step Solution

1. Step 1: Write the proportion equation
   164,123.61 : 245,485.56 = 100,788.09 : x
2. Step 2: Convert to fraction form
   164,123.61/245,485.56 = 100,788.09/x
3. Step 3: Cross multiply
   164,123.61x = 245,485.56 × 100,788.09
4. Step 4: Simplify right side
   164,123.61x = 24,742,020,714.98
5. Step 5: Solve for x
   x = 24,742,020,714.98/164,123.61
6. Step 6: Final answer
   x = 150,752.35