Finding the Fourth Proportional to 53,447.55, 73,672.82 and 42,099.07

Step by Step Solution

1. Step 1: Write the proportion equation
   53,447.55 : 73,672.82 = 42,099.07 : x
2. Step 2: Convert to fraction form
   53,447.55/73,672.82 = 42,099.07/x
3. Step 3: Cross multiply
   53,447.55x = 73,672.82 × 42,099.07
4. Step 4: Simplify right side
   53,447.55x = 3,101,556,782.00
5. Step 5: Solve for x
   x = 3,101,556,782.00/53,447.55
6. Step 6: Final answer
   x = 58,029.92