Finding the Fourth Proportional to 99,633.60, 149,371.83 and 49,688.01

Step by Step Solution

1. Step 1: Write the proportion equation
   99,633.60 : 149,371.83 = 49,688.01 : x
2. Step 2: Convert to fraction form
   99,633.60/149,371.83 = 49,688.01/x
3. Step 3: Cross multiply
   99,633.60x = 149,371.83 × 49,688.01
4. Step 4: Simplify right side
   99,633.60x = 7,421,988,982.76
5. Step 5: Solve for x
   x = 7,421,988,982.76/99,633.60
6. Step 6: Final answer
   x = 74,492.83