Finding the Fourth Proportional to 70,602.03, 105,937.67 and 31,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,602.03 : 105,937.67 = 31,112.10 : x
2. Step 2: Convert to fraction form
   70,602.03/105,937.67 = 31,112.10/x
3. Step 3: Cross multiply
   70,602.03x = 105,937.67 × 31,112.10
4. Step 4: Simplify right side
   70,602.03x = 3,295,943,460.59
5. Step 5: Solve for x
   x = 3,295,943,460.59/70,602.03
6. Step 6: Final answer
   x = 46,683.41