Finding the Fourth Proportional to 105,109.74, 157,688.37 and 34,991.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,109.74 : 157,688.37 = 34,991.82 : x
2. Step 2: Convert to fraction form
   105,109.74/157,688.37 = 34,991.82/x
3. Step 3: Cross multiply
   105,109.74x = 157,688.37 × 34,991.82
4. Step 4: Simplify right side
   105,109.74x = 5,517,803,059.13
5. Step 5: Solve for x
   x = 5,517,803,059.13/105,109.74
6. Step 6: Final answer
   x = 52,495.64