Finding the Fourth Proportional to 501,172, 751,783.53 and 146,212.81

Step by Step Solution

1. Step 1: Write the proportion equation
   501,172 : 751,783.53 = 146,212.81 : x
2. Step 2: Convert to fraction form
   501,172/751,783.53 = 146,212.81/x
3. Step 3: Cross multiply
   501,172x = 751,783.53 × 146,212.81
4. Step 4: Simplify right side
   501,172x = 109,920,382,433.02
5. Step 5: Solve for x
   x = 109,920,382,433.02/501,172
6. Step 6: Final answer
   x = 219,326.66