Finding the Fourth Proportional to 99,010.17, 148,499.46 and 28,873.08

Step by Step Solution

1. Step 1: Write the proportion equation
   99,010.17 : 148,499.46 = 28,873.08 : x
2. Step 2: Convert to fraction form
   99,010.17/148,499.46 = 28,873.08/x
3. Step 3: Cross multiply
   99,010.17x = 148,499.46 × 28,873.08
4. Step 4: Simplify right side
   99,010.17x = 4,287,636,788.54
5. Step 5: Solve for x
   x = 4,287,636,788.54/99,010.17
6. Step 6: Final answer
   x = 43,305.01