Finding the Fourth Proportional to 105,139.84, 157,670.82 and 37,661.36

Step by Step Solution

1. Step 1: Write the proportion equation
   105,139.84 : 157,670.82 = 37,661.36 : x
2. Step 2: Convert to fraction form
   105,139.84/157,670.82 = 37,661.36/x
3. Step 3: Cross multiply
   105,139.84x = 157,670.82 × 37,661.36
4. Step 4: Simplify right side
   105,139.84x = 5,938,097,513.52
5. Step 5: Solve for x
   x = 5,938,097,513.52/105,139.84
6. Step 6: Final answer
   x = 56,478.09