Finding the Fourth Proportional to 70,593.69, 105,625.86 and 42,026.15

Step by Step Solution

1. Step 1: Write the proportion equation
   70,593.69 : 105,625.86 = 42,026.15 : x
2. Step 2: Convert to fraction form
   70,593.69/105,625.86 = 42,026.15/x
3. Step 3: Cross multiply
   70,593.69x = 105,625.86 × 42,026.15
4. Step 4: Simplify right side
   70,593.69x = 4,439,047,708.11
5. Step 5: Solve for x
   x = 4,439,047,708.11/70,593.69
6. Step 6: Final answer
   x = 62,881.65