Finding the Fourth Proportional to 470,880,111.30, 706,446,138.15 and 334,831,215.30

Step by Step Solution

1. Step 1: Write the proportion equation
   470,880,111.30 : 706,446,138.15 = 334,831,215.30 : x
2. Step 2: Convert to fraction form
   470,880,111.30/706,446,138.15 = 334,831,215.30/x
3. Step 3: Cross multiply
   470,880,111.30x = 706,446,138.15 × 334,831,215.30
4. Step 4: Simplify right side
   470,880,111.30x = 236,540,218,980,756,192
5. Step 5: Solve for x
   x = 236,540,218,980,756,192/470,880,111.30
6. Step 6: Final answer
   x = 502,336,397.96