Finding the Fourth Proportional to 107,103.45, 147,953.55 and 99,131.84

Step by Step Solution

1. Step 1: Write the proportion equation
   107,103.45 : 147,953.55 = 99,131.84 : x
2. Step 2: Convert to fraction form
   107,103.45/147,953.55 = 99,131.84/x
3. Step 3: Cross multiply
   107,103.45x = 147,953.55 × 99,131.84
4. Step 4: Simplify right side
   107,103.45x = 14,666,907,646.03
5. Step 5: Solve for x
   x = 14,666,907,646.03/107,103.45
6. Step 6: Final answer
   x = 136,941.51