Finding the Fourth Proportional to 56,090.61, 77,413.59 and 34,876.71

Step by Step Solution

1. Step 1: Write the proportion equation
   56,090.61 : 77,413.59 = 34,876.71 : x
2. Step 2: Convert to fraction form
   56,090.61/77,413.59 = 34,876.71/x
3. Step 3: Cross multiply
   56,090.61x = 77,413.59 × 34,876.71
4. Step 4: Simplify right side
   56,090.61x = 2,699,931,328.49
5. Step 5: Solve for x
   x = 2,699,931,328.49/56,090.61
6. Step 6: Final answer
   x = 48,135.18