Finding the Fourth Proportional to 472,912.02, 709,210.71 and 152,987.94

Step by Step Solution

1. Step 1: Write the proportion equation
   472,912.02 : 709,210.71 = 152,987.94 : x
2. Step 2: Convert to fraction form
   472,912.02/709,210.71 = 152,987.94/x
3. Step 3: Cross multiply
   472,912.02x = 709,210.71 × 152,987.94
4. Step 4: Simplify right side
   472,912.02x = 108,500,685,548.84
5. Step 5: Solve for x
   x = 108,500,685,548.84/472,912.02
6. Step 6: Final answer
   x = 229,431.02