Finding the Fourth Proportional to 118,443.48, 177,674.54 and 39,557.98

Step by Step Solution

1. Step 1: Write the proportion equation
   118,443.48 : 177,674.54 = 39,557.98 : x
2. Step 2: Convert to fraction form
   118,443.48/177,674.54 = 39,557.98/x
3. Step 3: Cross multiply
   118,443.48x = 177,674.54 × 39,557.98
4. Step 4: Simplify right side
   118,443.48x = 7,028,445,899.83
5. Step 5: Solve for x
   x = 7,028,445,899.83/118,443.48
6. Step 6: Final answer
   x = 59,340.08