Finding the Fourth Proportional to 155,456.17, 233,158.17 and 43,147.80

Step by Step Solution

1. Step 1: Write the proportion equation
   155,456.17 : 233,158.17 = 43,147.80 : x
2. Step 2: Convert to fraction form
   155,456.17/233,158.17 = 43,147.80/x
3. Step 3: Cross multiply
   155,456.17x = 233,158.17 × 43,147.80
4. Step 4: Simplify right side
   155,456.17x = 10,060,260,706.00
5. Step 5: Solve for x
   x = 10,060,260,706.00/155,456.17
6. Step 6: Final answer
   x = 64,714.45