Finding the Fourth Proportional to 99,419.04, 137,196.24 and 54,097.92

Step by Step Solution

1. Step 1: Write the proportion equation
   99,419.04 : 137,196.24 = 54,097.92 : x
2. Step 2: Convert to fraction form
   99,419.04/137,196.24 = 54,097.92/x
3. Step 3: Cross multiply
   99,419.04x = 137,196.24 × 54,097.92
4. Step 4: Simplify right side
   99,419.04x = 7,422,031,215.82
5. Step 5: Solve for x
   x = 7,422,031,215.82/99,419.04
6. Step 6: Final answer
   x = 74,654.02