Finding the Fourth Proportional to 292,216.33, 438,061.33 and 105,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   292,216.33 : 438,061.33 = 105,096.25 : x
2. Step 2: Convert to fraction form
   292,216.33/438,061.33 = 105,096.25/x
3. Step 3: Cross multiply
   292,216.33x = 438,061.33 × 105,096.25
4. Step 4: Simplify right side
   292,216.33x = 46,038,603,053.01
5. Step 5: Solve for x
   x = 46,038,603,053.01/292,216.33
6. Step 6: Final answer
   x = 157,549.73