Finding the Fourth Proportional to 122,659.38, 183,983.54 and 42,753.69

Step by Step Solution

1. Step 1: Write the proportion equation
   122,659.38 : 183,983.54 = 42,753.69 : x
2. Step 2: Convert to fraction form
   122,659.38/183,983.54 = 42,753.69/x
3. Step 3: Cross multiply
   122,659.38x = 183,983.54 × 42,753.69
4. Step 4: Simplify right side
   122,659.38x = 7,865,974,314.34
5. Step 5: Solve for x
   x = 7,865,974,314.34/122,659.38
6. Step 6: Final answer
   x = 64,128.60