Finding the Fourth Proportional to 118,607.09, 177,867.50 and 39,702.56

Step by Step Solution

1. Step 1: Write the proportion equation
   118,607.09 : 177,867.50 = 39,702.56 : x
2. Step 2: Convert to fraction form
   118,607.09/177,867.50 = 39,702.56/x
3. Step 3: Cross multiply
   118,607.09x = 177,867.50 × 39,702.56
4. Step 4: Simplify right side
   118,607.09x = 7,061,794,002.95
5. Step 5: Solve for x
   x = 7,061,794,002.95/118,607.09
6. Step 6: Final answer
   x = 59,539.39