Finding the Fourth Proportional to 152,448.09, 210,451.50 and 107,164.89

Step by Step Solution

1. Step 1: Write the proportion equation
   152,448.09 : 210,451.50 = 107,164.89 : x
2. Step 2: Convert to fraction form
   152,448.09/210,451.50 = 107,164.89/x
3. Step 3: Cross multiply
   152,448.09x = 210,451.50 × 107,164.89
4. Step 4: Simplify right side
   152,448.09x = 22,553,012,637.03
5. Step 5: Solve for x
   x = 22,553,012,637.03/152,448.09
6. Step 6: Final answer
   x = 147,938.96