Finding the Fourth Proportional to 70,895.61, 106,538.69 and 37,640.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,895.61 : 106,538.69 = 37,640.56 : x
2. Step 2: Convert to fraction form
   70,895.61/106,538.69 = 37,640.56/x
3. Step 3: Cross multiply
   70,895.61x = 106,538.69 × 37,640.56
4. Step 4: Simplify right side
   70,895.61x = 4,010,175,953.27
5. Step 5: Solve for x
   x = 4,010,175,953.27/70,895.61
6. Step 6: Final answer
   x = 56,564.52