Finding the Fourth Proportional to 42,158,115.30, 63,260,792.55 and 17,892,912.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,158,115.30 : 63,260,792.55 = 17,892,912.90 : x
2. Step 2: Convert to fraction form
   42,158,115.30/63,260,792.55 = 17,892,912.90/x
3. Step 3: Cross multiply
   42,158,115.30x = 63,260,792.55 × 17,892,912.90
4. Step 4: Simplify right side
   42,158,115.30x = 1,131,919,851,082,118.75
5. Step 5: Solve for x
   x = 1,131,919,851,082,118.75/42,158,115.30
6. Step 6: Final answer
   x = 26,849,394.07