Finding the Fourth Proportional to 99,005.67, 148,492.71 and 28,868.58

Step by Step Solution

1. Step 1: Write the proportion equation
   99,005.67 : 148,492.71 = 28,868.58 : x
2. Step 2: Convert to fraction form
   99,005.67/148,492.71 = 28,868.58/x
3. Step 3: Cross multiply
   99,005.67x = 148,492.71 × 28,868.58
4. Step 4: Simplify right side
   99,005.67x = 4,286,773,678.05
5. Step 5: Solve for x
   x = 4,286,773,678.05/99,005.67
6. Step 6: Final answer
   x = 43,298.26