Finding the Fourth Proportional to 61,007.76, 91,308.60 and 46,134.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,007.76 : 91,308.60 = 46,134.72 : x
2. Step 2: Convert to fraction form
   61,007.76/91,308.60 = 46,134.72/x
3. Step 3: Cross multiply
   61,007.76x = 91,308.60 × 46,134.72
4. Step 4: Simplify right side
   61,007.76x = 4,212,496,694.59
5. Step 5: Solve for x
   x = 4,212,496,694.59/61,007.76
6. Step 6: Final answer
   x = 69,048.54