Finding the Fourth Proportional to 107,916.57, 149,018.89 and 67,699.46

Step by Step Solution

1. Step 1: Write the proportion equation
   107,916.57 : 149,018.89 = 67,699.46 : x
2. Step 2: Convert to fraction form
   107,916.57/149,018.89 = 67,699.46/x
3. Step 3: Cross multiply
   107,916.57x = 149,018.89 × 67,699.46
4. Step 4: Simplify right side
   107,916.57x = 10,088,498,713.03
5. Step 5: Solve for x
   x = 10,088,498,713.03/107,916.57
6. Step 6: Final answer
   x = 93,484.24