Finding the Fourth Proportional to 151,756.56, 209,413.31 and 83,762.63

Step by Step Solution

1. Step 1: Write the proportion equation
   151,756.56 : 209,413.31 = 83,762.63 : x
2. Step 2: Convert to fraction form
   151,756.56/209,413.31 = 83,762.63/x
3. Step 3: Cross multiply
   151,756.56x = 209,413.31 × 83,762.63
4. Step 4: Simplify right side
   151,756.56x = 17,541,009,602.61
5. Step 5: Solve for x
   x = 17,541,009,602.61/151,756.56
6. Step 6: Final answer
   x = 115,586.50