Finding the Fourth Proportional to 99,632.23, 149,471.71 and 39,664.37

Step by Step Solution

1. Step 1: Write the proportion equation
   99,632.23 : 149,471.71 = 39,664.37 : x
2. Step 2: Convert to fraction form
   99,632.23/149,471.71 = 39,664.37/x
3. Step 3: Cross multiply
   99,632.23x = 149,471.71 × 39,664.37
4. Step 4: Simplify right side
   99,632.23x = 5,928,701,484.49
5. Step 5: Solve for x
   x = 5,928,701,484.49/99,632.23
6. Step 6: Final answer
   x = 59,505.86