Finding the Fourth Proportional to 61,050.54, 91,716.21 and 43,080.15

Step by Step Solution

1. Step 1: Write the proportion equation
   61,050.54 : 91,716.21 = 43,080.15 : x
2. Step 2: Convert to fraction form
   61,050.54/91,716.21 = 43,080.15/x
3. Step 3: Cross multiply
   61,050.54x = 91,716.21 × 43,080.15
4. Step 4: Simplify right side
   61,050.54x = 3,951,147,868.83
5. Step 5: Solve for x
   x = 3,951,147,868.83/61,050.54
6. Step 6: Final answer
   x = 64,719.29