Finding the Fourth Proportional to 70,465.33, 105,557.16 and 42,370.00

Step by Step Solution

1. Step 1: Write the proportion equation
   70,465.33 : 105,557.16 = 42,370.00 : x
2. Step 2: Convert to fraction form
   70,465.33/105,557.16 = 42,370.00/x
3. Step 3: Cross multiply
   70,465.33x = 105,557.16 × 42,370.00
4. Step 4: Simplify right side
   70,465.33x = 4,472,456,129.56
5. Step 5: Solve for x
   x = 4,472,456,129.56/70,465.33
6. Step 6: Final answer
   x = 63,470.31