Finding the Fourth Proportional to 71,473,142.96, 106,939,168.55 and 42,342,616.73

Step by Step Solution

1. Step 1: Write the proportion equation
   71,473,142.96 : 106,939,168.55 = 42,342,616.73 : x
2. Step 2: Convert to fraction form
   71,473,142.96/106,939,168.55 = 42,342,616.73/x
3. Step 3: Cross multiply
   71,473,142.96x = 106,939,168.55 × 42,342,616.73
4. Step 4: Simplify right side
   71,473,142.96x = 4,528,084,226,591,111
5. Step 5: Solve for x
   x = 4,528,084,226,591,111/71,473,142.96
6. Step 6: Final answer
   x = 63,353,646.41