Finding the Fourth Proportional to 155,436.81, 233,144.61 and 60,649.47

Step by Step Solution

1. Step 1: Write the proportion equation
   155,436.81 : 233,144.61 = 60,649.47 : x
2. Step 2: Convert to fraction form
   155,436.81/233,144.61 = 60,649.47/x
3. Step 3: Cross multiply
   155,436.81x = 233,144.61 × 60,649.47
4. Step 4: Simplify right side
   155,436.81x = 14,140,097,029.86
5. Step 5: Solve for x
   x = 14,140,097,029.86/155,436.81
6. Step 6: Final answer
   x = 90,970.07