Finding the Fourth Proportional to 70,347, 105,546.42 and 37,065.72

Step by Step Solution

1. Step 1: Write the proportion equation
   70,347 : 105,546.42 = 37,065.72 : x
2. Step 2: Convert to fraction form
   70,347/105,546.42 = 37,065.72/x
3. Step 3: Cross multiply
   70,347x = 105,546.42 × 37,065.72
4. Step 4: Simplify right side
   70,347x = 3,912,154,050.72
5. Step 5: Solve for x
   x = 3,912,154,050.72/70,347
6. Step 6: Final answer
   x = 55,612.24