Finding the Fourth Proportional to 109,511.48, 151,158.15 and 64,199.27

Step by Step Solution

1. Step 1: Write the proportion equation
   109,511.48 : 151,158.15 = 64,199.27 : x
2. Step 2: Convert to fraction form
   109,511.48/151,158.15 = 64,199.27/x
3. Step 3: Cross multiply
   109,511.48x = 151,158.15 × 64,199.27
4. Step 4: Simplify right side
   109,511.48x = 9,704,242,128.76
5. Step 5: Solve for x
   x = 9,704,242,128.76/109,511.48
6. Step 6: Final answer
   x = 88,613.93