Finding the Fourth Proportional to 61,112.14, 91,808.56 and 43,141.69

Step by Step Solution

1. Step 1: Write the proportion equation
   61,112.14 : 91,808.56 = 43,141.69 : x
2. Step 2: Convert to fraction form
   61,112.14/91,808.56 = 43,141.69/x
3. Step 3: Cross multiply
   61,112.14x = 91,808.56 × 43,141.69
4. Step 4: Simplify right side
   61,112.14x = 3,960,775,975.82
5. Step 5: Solve for x
   x = 3,960,775,975.82/61,112.14
6. Step 6: Final answer
   x = 64,811.61