Finding the Fourth Proportional to 139,758,653.82, 209,630,353.14 and 42,714,328.62

Step by Step Solution

1. Step 1: Write the proportion equation
   139,758,653.82 : 209,630,353.14 = 42,714,328.62 : x
2. Step 2: Convert to fraction form
   139,758,653.82/209,630,353.14 = 42,714,328.62/x
3. Step 3: Cross multiply
   139,758,653.82x = 209,630,353.14 × 42,714,328.62
4. Step 4: Simplify right side
   139,758,653.82x = 8,954,219,792,748,608
5. Step 5: Solve for x
   x = 8,954,219,792,748,608/139,758,653.82
6. Step 6: Final answer
   x = 64,069,161.72