Finding the Fourth Proportional to 42,017.60, 58,902.40 and 42,017.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,017.60 : 58,902.40 = 42,017.60 : x
2. Step 2: Convert to fraction form
   42,017.60/58,902.40 = 42,017.60/x
3. Step 3: Cross multiply
   42,017.60x = 58,902.40 × 42,017.60
4. Step 4: Simplify right side
   42,017.60x = 2,474,937,482.24
5. Step 5: Solve for x
   x = 2,474,937,482.24/42,017.60
6. Step 6: Final answer
   x = 58,902.40