Finding the Fourth Proportional to 105,061.86, 157,461.57 and 67,522.01

Step by Step Solution

1. Step 1: Write the proportion equation
   105,061.86 : 157,461.57 = 67,522.01 : x
2. Step 2: Convert to fraction form
   105,061.86/157,461.57 = 67,522.01/x
3. Step 3: Cross multiply
   105,061.86x = 157,461.57 × 67,522.01
4. Step 4: Simplify right side
   105,061.86x = 10,632,120,916.85
5. Step 5: Solve for x
   x = 10,632,120,916.85/105,061.86
6. Step 6: Final answer
   x = 101,198.67