Finding the Fourth Proportional to 99,093.54, 148,649.88 and 28,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   99,093.54 : 148,649.88 = 28,018.50 : x
2. Step 2: Convert to fraction form
   99,093.54/148,649.88 = 28,018.50/x
3. Step 3: Cross multiply
   99,093.54x = 148,649.88 × 28,018.50
4. Step 4: Simplify right side
   99,093.54x = 4,164,946,662.78
5. Step 5: Solve for x
   x = 4,164,946,662.78/99,093.54
6. Step 6: Final answer
   x = 42,030.46