Finding the Fourth Proportional to 77,156.50, 106,476.61 and 41,828.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,156.50 : 106,476.61 = 41,828.50 : x
2. Step 2: Convert to fraction form
   77,156.50/106,476.61 = 41,828.50/x
3. Step 3: Cross multiply
   77,156.50x = 106,476.61 × 41,828.50
4. Step 4: Simplify right side
   77,156.50x = 4,453,756,881.39
5. Step 5: Solve for x
   x = 4,453,756,881.39/77,156.50
6. Step 6: Final answer
   x = 57,723.68