Finding the Fourth Proportional to 58,990.91, 88,499.31 and 43,361.15

Step by Step Solution

1. Step 1: Write the proportion equation
   58,990.91 : 88,499.31 = 43,361.15 : x
2. Step 2: Convert to fraction form
   58,990.91/88,499.31 = 43,361.15/x
3. Step 3: Cross multiply
   58,990.91x = 88,499.31 × 43,361.15
4. Step 4: Simplify right side
   58,990.91x = 3,837,431,413.31
5. Step 5: Solve for x
   x = 3,837,431,413.31/58,990.91
6. Step 6: Final answer
   x = 65,051.24