Finding the Fourth Proportional to 109,532.72, 151,155.77 and 61,136.84

Step by Step Solution

1. Step 1: Write the proportion equation
   109,532.72 : 151,155.77 = 61,136.84 : x
2. Step 2: Convert to fraction form
   109,532.72/151,155.77 = 61,136.84/x
3. Step 3: Cross multiply
   109,532.72x = 151,155.77 × 61,136.84
4. Step 4: Simplify right side
   109,532.72x = 9,241,185,064.10
5. Step 5: Solve for x
   x = 9,241,185,064.10/109,532.72
6. Step 6: Final answer
   x = 84,369.18