Finding the Fourth Proportional to 149,821.36, 224,600.82 and 56,392.72

Step by Step Solution

1. Step 1: Write the proportion equation
   149,821.36 : 224,600.82 = 56,392.72 : x
2. Step 2: Convert to fraction form
   149,821.36/224,600.82 = 56,392.72/x
3. Step 3: Cross multiply
   149,821.36x = 224,600.82 × 56,392.72
4. Step 4: Simplify right side
   149,821.36x = 12,665,851,154.03
5. Step 5: Solve for x
   x = 12,665,851,154.03/149,821.36
6. Step 6: Final answer
   x = 84,539.69