Finding the Fourth Proportional to 99,483.47, 149,131.40 and 49,516.33

Step by Step Solution

1. Step 1: Write the proportion equation
   99,483.47 : 149,131.40 = 49,516.33 : x
2. Step 2: Convert to fraction form
   99,483.47/149,131.40 = 49,516.33/x
3. Step 3: Cross multiply
   99,483.47x = 149,131.40 × 49,516.33
4. Step 4: Simplify right side
   99,483.47x = 7,384,439,615.76
5. Step 5: Solve for x
   x = 7,384,439,615.76/99,483.47
6. Step 6: Final answer
   x = 74,227.81