Finding the Fourth Proportional to 103,090.68, 154,373.58 and 67,923.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,090.68 : 154,373.58 = 67,923.72 : x
2. Step 2: Convert to fraction form
   103,090.68/154,373.58 = 67,923.72/x
3. Step 3: Cross multiply
   103,090.68x = 154,373.58 × 67,923.72
4. Step 4: Simplify right side
   103,090.68x = 10,485,627,823.32
5. Step 5: Solve for x
   x = 10,485,627,823.32/103,090.68
6. Step 6: Final answer
   x = 101,712.67