Finding the Fourth Proportional to 112,900.66, 155,801.62 and 65,152.98

Step by Step Solution

1. Step 1: Write the proportion equation
   112,900.66 : 155,801.62 = 65,152.98 : x
2. Step 2: Convert to fraction form
   112,900.66/155,801.62 = 65,152.98/x
3. Step 3: Cross multiply
   112,900.66x = 155,801.62 × 65,152.98
4. Step 4: Simplify right side
   112,900.66x = 10,150,939,831.83
5. Step 5: Solve for x
   x = 10,150,939,831.83/112,900.66
6. Step 6: Final answer
   x = 89,910.37