Finding the Fourth Proportional to 70,507.26, 105,619.86 and 42,411.81

Step by Step Solution

1. Step 1: Write the proportion equation
   70,507.26 : 105,619.86 = 42,411.81 : x
2. Step 2: Convert to fraction form
   70,507.26/105,619.86 = 42,411.81/x
3. Step 3: Cross multiply
   70,507.26x = 105,619.86 × 42,411.81
4. Step 4: Simplify right side
   70,507.26x = 4,479,529,434.55
5. Step 5: Solve for x
   x = 4,479,529,434.55/70,507.26
6. Step 6: Final answer
   x = 63,532.88