Finding the Fourth Proportional to 126,164.39, 174,101.00 and 72,411.57

Step by Step Solution

1. Step 1: Write the proportion equation
   126,164.39 : 174,101.00 = 72,411.57 : x
2. Step 2: Convert to fraction form
   126,164.39/174,101.00 = 72,411.57/x
3. Step 3: Cross multiply
   126,164.39x = 174,101.00 × 72,411.57
4. Step 4: Simplify right side
   126,164.39x = 12,606,926,386.51
5. Step 5: Solve for x
   x = 12,606,926,386.51/126,164.39
6. Step 6: Final answer
   x = 99,924.61