Finding the Fourth Proportional to 99,507.54, 149,167.46 and 49,540.34

Step by Step Solution

1. Step 1: Write the proportion equation
   99,507.54 : 149,167.46 = 49,540.34 : x
2. Step 2: Convert to fraction form
   99,507.54/149,167.46 = 49,540.34/x
3. Step 3: Cross multiply
   99,507.54x = 149,167.46 × 49,540.34
4. Step 4: Simplify right side
   99,507.54x = 7,389,806,685.34
5. Step 5: Solve for x
   x = 7,389,806,685.34/99,507.54
6. Step 6: Final answer
   x = 74,263.79