Finding the Fourth Proportional to 191,723.52, 264,719.30 and 123,780.18

Step by Step Solution

1. Step 1: Write the proportion equation
   191,723.52 : 264,719.30 = 123,780.18 : x
2. Step 2: Convert to fraction form
   191,723.52/264,719.30 = 123,780.18/x
3. Step 3: Cross multiply
   191,723.52x = 264,719.30 × 123,780.18
4. Step 4: Simplify right side
   191,723.52x = 32,767,001,984.57
5. Step 5: Solve for x
   x = 32,767,001,984.57/191,723.52
6. Step 6: Final answer
   x = 170,907.58