Finding the Fourth Proportional to 99,892.37, 149,816.07 and 28,799.69

Step by Step Solution

1. Step 1: Write the proportion equation
   99,892.37 : 149,816.07 = 28,799.69 : x
2. Step 2: Convert to fraction form
   99,892.37/149,816.07 = 28,799.69/x
3. Step 3: Cross multiply
   99,892.37x = 149,816.07 × 28,799.69
4. Step 4: Simplify right side
   99,892.37x = 4,314,655,623.94
5. Step 5: Solve for x
   x = 4,314,655,623.94/99,892.37
6. Step 6: Final answer
   x = 43,193.05