Finding the Fourth Proportional to 107,812.30, 161,747.61 and 61,097.98

Step by Step Solution

1. Step 1: Write the proportion equation
   107,812.30 : 161,747.61 = 61,097.98 : x
2. Step 2: Convert to fraction form
   107,812.30/161,747.61 = 61,097.98/x
3. Step 3: Cross multiply
   107,812.30x = 161,747.61 × 61,097.98
4. Step 4: Simplify right side
   107,812.30x = 9,882,452,240.83
5. Step 5: Solve for x
   x = 9,882,452,240.83/107,812.30
6. Step 6: Final answer
   x = 91,663.50