Finding the Fourth Proportional to 156,046.10, 233,673.15 and 85,846.10

Step by Step Solution

1. Step 1: Write the proportion equation
   156,046.10 : 233,673.15 = 85,846.10 : x
2. Step 2: Convert to fraction form
   156,046.10/233,673.15 = 85,846.10/x
3. Step 3: Cross multiply
   156,046.10x = 233,673.15 × 85,846.10
4. Step 4: Simplify right side
   156,046.10x = 20,059,928,602.22
5. Step 5: Solve for x
   x = 20,059,928,602.22/156,046.10
6. Step 6: Final answer
   x = 128,551.30