Finding the Fourth Proportional to 49,971.49, 74,935.89 and 28,926.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,971.49 : 74,935.89 = 28,926.05 : x
2. Step 2: Convert to fraction form
   49,971.49/74,935.89 = 28,926.05/x
3. Step 3: Cross multiply
   49,971.49x = 74,935.89 × 28,926.05
4. Step 4: Simplify right side
   49,971.49x = 2,167,599,300.93
5. Step 5: Solve for x
   x = 2,167,599,300.93/49,971.49
6. Step 6: Final answer
   x = 43,376.72