Finding the Fourth Proportional to 191,505.48, 264,390.72 and 170,223.22

Step by Step Solution

1. Step 1: Write the proportion equation
   191,505.48 : 264,390.72 = 170,223.22 : x
2. Step 2: Convert to fraction form
   191,505.48/264,390.72 = 170,223.22/x
3. Step 3: Cross multiply
   191,505.48x = 264,390.72 × 170,223.22
4. Step 4: Simplify right side
   191,505.48x = 45,005,439,696.52
5. Step 5: Solve for x
   x = 45,005,439,696.52/191,505.48
6. Step 6: Final answer
   x = 235,008.63