Finding the Fourth Proportional to 156,863.04, 235,323.72 and 51,686.16

Step by Step Solution

1. Step 1: Write the proportion equation
   156,863.04 : 235,323.72 = 51,686.16 : x
2. Step 2: Convert to fraction form
   156,863.04/235,323.72 = 51,686.16/x
3. Step 3: Cross multiply
   156,863.04x = 235,323.72 × 51,686.16
4. Step 4: Simplify right side
   156,863.04x = 12,162,979,443.72
5. Step 5: Solve for x
   x = 12,162,979,443.72/156,863.04
6. Step 6: Final answer
   x = 77,538.85