Finding the Fourth Proportional to 69,145.15, 103,719.70 and 37,570.34

Step by Step Solution

1. Step 1: Write the proportion equation
   69,145.15 : 103,719.70 = 37,570.34 : x
2. Step 2: Convert to fraction form
   69,145.15/103,719.70 = 37,570.34/x
3. Step 3: Cross multiply
   69,145.15x = 103,719.70 × 37,570.34
4. Step 4: Simplify right side
   69,145.15x = 3,896,784,311.01
5. Step 5: Solve for x
   x = 3,896,784,311.01/69,145.15
6. Step 6: Final answer
   x = 56,356.58