Finding the Fourth Proportional to 156,870.24, 235,339.92 and 51,684.72

Step by Step Solution

1. Step 1: Write the proportion equation
   156,870.24 : 235,339.92 = 51,684.72 : x
2. Step 2: Convert to fraction form
   156,870.24/235,339.92 = 51,684.72/x
3. Step 3: Cross multiply
   156,870.24x = 235,339.92 × 51,684.72
4. Step 4: Simplify right side
   156,870.24x = 12,163,477,870.02
5. Step 5: Solve for x
   x = 12,163,477,870.02/156,870.24
6. Step 6: Final answer
   x = 77,538.47