Finding the Fourth Proportional to 56,100.68, 77,413.56 and 30,948.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,100.68 : 77,413.56 = 30,948.56 : x
2. Step 2: Convert to fraction form
   56,100.68/77,413.56 = 30,948.56/x
3. Step 3: Cross multiply
   56,100.68x = 77,413.56 × 30,948.56
4. Step 4: Simplify right side
   56,100.68x = 2,395,838,206.47
5. Step 5: Solve for x
   x = 2,395,838,206.47/56,100.68
6. Step 6: Final answer
   x = 42,706.05