Finding the Fourth Proportional to 342,026,411.43, 471,983,802.74 and 185,390,155.39

Step by Step Solution

1. Step 1: Write the proportion equation
   342,026,411.43 : 471,983,802.74 = 185,390,155.39 : x
2. Step 2: Convert to fraction form
   342,026,411.43/471,983,802.74 = 185,390,155.39/x
3. Step 3: Cross multiply
   342,026,411.43x = 471,983,802.74 × 185,390,155.39
4. Step 4: Simplify right side
   342,026,411.43x = 87,501,150,530,120,000
5. Step 5: Solve for x
   x = 87,501,150,530,120,000/342,026,411.43
6. Step 6: Final answer
   x = 255,831,560.39