Finding the Fourth Proportional to 70,343, 105,540.42 and 37,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,343 : 105,540.42 = 37,061.72 : x
2. Step 2: Convert to fraction form
   70,343/105,540.42 = 37,061.72/x
3. Step 3: Cross multiply
   70,343x = 105,540.42 × 37,061.72
4. Step 4: Simplify right side
   70,343x = 3,911,509,494.72
5. Step 5: Solve for x
   x = 3,911,509,494.72/70,343
6. Step 6: Final answer
   x = 55,606.24