Finding the Fourth Proportional to 122,461.34, 183,748.50 and 55,921.86

Step by Step Solution

1. Step 1: Write the proportion equation
   122,461.34 : 183,748.50 = 55,921.86 : x
2. Step 2: Convert to fraction form
   122,461.34/183,748.50 = 55,921.86/x
3. Step 3: Cross multiply
   122,461.34x = 183,748.50 × 55,921.86
4. Step 4: Simplify right side
   122,461.34x = 10,275,557,892.21
5. Step 5: Solve for x
   x = 10,275,557,892.21/122,461.34
6. Step 6: Final answer
   x = 83,908.59