Finding the Fourth Proportional to 56,435.00, 84,713.85 and 42,435.18

Step by Step Solution

1. Step 1: Write the proportion equation
   56,435.00 : 84,713.85 = 42,435.18 : x
2. Step 2: Convert to fraction form
   56,435.00/84,713.85 = 42,435.18/x
3. Step 3: Cross multiply
   56,435.00x = 84,713.85 × 42,435.18
4. Step 4: Simplify right side
   56,435.00x = 3,594,847,473.24
5. Step 5: Solve for x
   x = 3,594,847,473.24/56,435.00
6. Step 6: Final answer
   x = 63,698.91