Finding the Fourth Proportional to 152,250.42, 228,271.83 and 77,225.90

Step by Step Solution

1. Step 1: Write the proportion equation
   152,250.42 : 228,271.83 = 77,225.90 : x
2. Step 2: Convert to fraction form
   152,250.42/228,271.83 = 77,225.90/x
3. Step 3: Cross multiply
   152,250.42x = 228,271.83 × 77,225.90
4. Step 4: Simplify right side
   152,250.42x = 17,628,498,021.06
5. Step 5: Solve for x
   x = 17,628,498,021.06/152,250.42
6. Step 6: Final answer
   x = 115,786.20