Finding the Fourth Proportional to 149,151.31, 223,724.94 and 54,402.37

Step by Step Solution

1. Step 1: Write the proportion equation
   149,151.31 : 223,724.94 = 54,402.37 : x
2. Step 2: Convert to fraction form
   149,151.31/223,724.94 = 54,402.37/x
3. Step 3: Cross multiply
   149,151.31x = 223,724.94 × 54,402.37
4. Step 4: Simplify right side
   149,151.31x = 12,171,166,200.79
5. Step 5: Solve for x
   x = 12,171,166,200.79/149,151.31
6. Step 6: Final answer
   x = 81,602.81