Finding the Fourth Proportional to 105,341.74, 145,368.81 and 62,323.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,341.74 : 145,368.81 = 62,323.45 : x
2. Step 2: Convert to fraction form
   105,341.74/145,368.81 = 62,323.45/x
3. Step 3: Cross multiply
   105,341.74x = 145,368.81 × 62,323.45
4. Step 4: Simplify right side
   105,341.74x = 9,059,885,761.59
5. Step 5: Solve for x
   x = 9,059,885,761.59/105,341.74
6. Step 6: Final answer
   x = 86,004.71