Finding the Fourth Proportional to 42,012.60, 58,992.60 and 42,012.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,012.60 : 58,992.60 = 42,012.60 : x
2. Step 2: Convert to fraction form
   42,012.60/58,992.60 = 42,012.60/x
3. Step 3: Cross multiply
   42,012.60x = 58,992.60 × 42,012.60
4. Step 4: Simplify right side
   42,012.60x = 2,478,432,506.76
5. Step 5: Solve for x
   x = 2,478,432,506.76/42,012.60
6. Step 6: Final answer
   x = 58,992.60