Finding the Fourth Proportional to 61,019.69, 91,179.69 and 46,513.76

Step by Step Solution

1. Step 1: Write the proportion equation
   61,019.69 : 91,179.69 = 46,513.76 : x
2. Step 2: Convert to fraction form
   61,019.69/91,179.69 = 46,513.76/x
3. Step 3: Cross multiply
   61,019.69x = 91,179.69 × 46,513.76
4. Step 4: Simplify right side
   61,019.69x = 4,241,110,445.48
5. Step 5: Solve for x
   x = 4,241,110,445.48/61,019.69
6. Step 6: Final answer
   x = 69,503.96