Finding the Fourth Proportional to 70,457.88, 105,700.17 and 37,146.45

Step by Step Solution

1. Step 1: Write the proportion equation
   70,457.88 : 105,700.17 = 37,146.45 : x
2. Step 2: Convert to fraction form
   70,457.88/105,700.17 = 37,146.45/x
3. Step 3: Cross multiply
   70,457.88x = 105,700.17 × 37,146.45
4. Step 4: Simplify right side
   70,457.88x = 3,926,386,079.90
5. Step 5: Solve for x
   x = 3,926,386,079.90/70,457.88
6. Step 6: Final answer
   x = 55,726.71