Finding the Fourth Proportional to 109,859, 151,621.60 and 69,576.50

Step by Step Solution

1. Step 1: Write the proportion equation
   109,859 : 151,621.60 = 69,576.50 : x
2. Step 2: Convert to fraction form
   109,859/151,621.60 = 69,576.50/x
3. Step 3: Cross multiply
   109,859x = 151,621.60 × 69,576.50
4. Step 4: Simplify right side
   109,859x = 10,549,300,252.40
5. Step 5: Solve for x
   x = 10,549,300,252.40/109,859
6. Step 6: Final answer
   x = 96,025.82