Finding the Fourth Proportional to 109,151.57, 150,606.42 and 63,820.74

Step by Step Solution

1. Step 1: Write the proportion equation
   109,151.57 : 150,606.42 = 63,820.74 : x
2. Step 2: Convert to fraction form
   109,151.57/150,606.42 = 63,820.74/x
3. Step 3: Cross multiply
   109,151.57x = 150,606.42 × 63,820.74
4. Step 4: Simplify right side
   109,151.57x = 9,611,813,173.15
5. Step 5: Solve for x
   x = 9,611,813,173.15/109,151.57
6. Step 6: Final answer
   x = 88,059.33