Finding the Fourth Proportional to 99,300.33, 148,950.50 and 69,849.95

Step by Step Solution

1. Step 1: Write the proportion equation
   99,300.33 : 148,950.50 = 69,849.95 : x
2. Step 2: Convert to fraction form
   99,300.33/148,950.50 = 69,849.95/x
3. Step 3: Cross multiply
   99,300.33x = 148,950.50 × 69,849.95
4. Step 4: Simplify right side
   99,300.33x = 10,404,183,883.47
5. Step 5: Solve for x
   x = 10,404,183,883.47/99,300.33
6. Step 6: Final answer
   x = 104,774.92