Finding the Fourth Proportional to 149,929.54, 224,931.22 and 105,642.78

Step by Step Solution

1. Step 1: Write the proportion equation
   149,929.54 : 224,931.22 = 105,642.78 : x
2. Step 2: Convert to fraction form
   149,929.54/224,931.22 = 105,642.78/x
3. Step 3: Cross multiply
   149,929.54x = 224,931.22 × 105,642.78
4. Step 4: Simplify right side
   149,929.54x = 23,762,359,389.59
5. Step 5: Solve for x
   x = 23,762,359,389.59/149,929.54
6. Step 6: Final answer
   x = 158,490.18