Finding the Fourth Proportional to 152,067.64, 228,114.22 and 56,031

Step by Step Solution

1. Step 1: Write the proportion equation
   152,067.64 : 228,114.22 = 56,031 : x
2. Step 2: Convert to fraction form
   152,067.64/228,114.22 = 56,031/x
3. Step 3: Cross multiply
   152,067.64x = 228,114.22 × 56,031
4. Step 4: Simplify right side
   152,067.64x = 12,781,467,860.82
5. Step 5: Solve for x
   x = 12,781,467,860.82/152,067.64
6. Step 6: Final answer
   x = 84,051.20