Finding the Fourth Proportional to 189,550.83, 261,580.69 and 103,510.61

Step by Step Solution

1. Step 1: Write the proportion equation
   189,550.83 : 261,580.69 = 103,510.61 : x
2. Step 2: Convert to fraction form
   189,550.83/261,580.69 = 103,510.61/x
3. Step 3: Cross multiply
   189,550.83x = 261,580.69 × 103,510.61
4. Step 4: Simplify right side
   189,550.83x = 27,076,376,588.53
5. Step 5: Solve for x
   x = 27,076,376,588.53/189,550.83
6. Step 6: Final answer
   x = 142,844.94