Finding the Fourth Proportional to 184,541.55, 254,667.34 and 99,658.61

Step by Step Solution

1. Step 1: Write the proportion equation
   184,541.55 : 254,667.34 = 99,658.61 : x
2. Step 2: Convert to fraction form
   184,541.55/254,667.34 = 99,658.61/x
3. Step 3: Cross multiply
   184,541.55x = 254,667.34 × 99,658.61
4. Step 4: Simplify right side
   184,541.55x = 25,379,793,116.80
5. Step 5: Solve for x
   x = 25,379,793,116.80/184,541.55
6. Step 6: Final answer
   x = 137,528.88