Finding the Fourth Proportional to 272,367.89, 375,870.56 and 149,861.87

Step by Step Solution

1. Step 1: Write the proportion equation
   272,367.89 : 375,870.56 = 149,861.87 : x
2. Step 2: Convert to fraction form
   272,367.89/375,870.56 = 149,861.87/x
3. Step 3: Cross multiply
   272,367.89x = 375,870.56 × 149,861.87
4. Step 4: Simplify right side
   272,367.89x = 56,328,664,906.64
5. Step 5: Solve for x
   x = 56,328,664,906.64/272,367.89
6. Step 6: Final answer
   x = 206,810.96