Finding the Fourth Proportional to 67,243.60, 92,709.45 and 55,098.93

Step by Step Solution

1. Step 1: Write the proportion equation
   67,243.60 : 92,709.45 = 55,098.93 : x
2. Step 2: Convert to fraction form
   67,243.60/92,709.45 = 55,098.93/x
3. Step 3: Cross multiply
   67,243.60x = 92,709.45 × 55,098.93
4. Step 4: Simplify right side
   67,243.60x = 5,108,191,495.89
5. Step 5: Solve for x
   x = 5,108,191,495.89/67,243.60
6. Step 6: Final answer
   x = 75,965.47