Finding the Fourth Proportional to 42,435.93, 64,052.70 and 42,435.93

Step by Step Solution

1. Step 1: Write the proportion equation
   42,435.93 : 64,052.70 = 42,435.93 : x
2. Step 2: Convert to fraction form
   42,435.93/64,052.70 = 42,435.93/x
3. Step 3: Cross multiply
   42,435.93x = 64,052.70 × 42,435.93
4. Step 4: Simplify right side
   42,435.93x = 2,718,135,893.51
5. Step 5: Solve for x
   x = 2,718,135,893.51/42,435.93
6. Step 6: Final answer
   x = 64,052.70