Finding the Fourth Proportional to 156,983.62, 235,483.58 and 51,810.79

Step by Step Solution

1. Step 1: Write the proportion equation
   156,983.62 : 235,483.58 = 51,810.79 : x
2. Step 2: Convert to fraction form
   156,983.62/235,483.58 = 51,810.79/x
3. Step 3: Cross multiply
   156,983.62x = 235,483.58 × 51,810.79
4. Step 4: Simplify right side
   156,983.62x = 12,200,590,311.83
5. Step 5: Solve for x
   x = 12,200,590,311.83/156,983.62
6. Step 6: Final answer
   x = 77,718.87