Finding the Fourth Proportional to 114,429.06, 157,856.00 and 99,300.49

Step by Step Solution

1. Step 1: Write the proportion equation
   114,429.06 : 157,856.00 = 99,300.49 : x
2. Step 2: Convert to fraction form
   114,429.06/157,856.00 = 99,300.49/x
3. Step 3: Cross multiply
   114,429.06x = 157,856.00 × 99,300.49
4. Step 4: Simplify right side
   114,429.06x = 15,675,177,258.30
5. Step 5: Solve for x
   x = 15,675,177,258.30/114,429.06
6. Step 6: Final answer
   x = 136,985.98