Finding the Fourth Proportional to 42,447.30, 59,513.70 and 42,447.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,447.30 : 59,513.70 = 42,447.30 : x
2. Step 2: Convert to fraction form
   42,447.30/59,513.70 = 42,447.30/x
3. Step 3: Cross multiply
   42,447.30x = 59,513.70 × 42,447.30
4. Step 4: Simplify right side
   42,447.30x = 2,526,195,878.01
5. Step 5: Solve for x
   x = 2,526,195,878.01/42,447.30
6. Step 6: Final answer
   x = 59,513.70