Finding the Fourth Proportional to 712,119,111.58, 1,068,081,697.52 and 187,444,278

Step by Step Solution

1. Step 1: Write the proportion equation
   712,119,111.58 : 1,068,081,697.52 = 187,444,278 : x
2. Step 2: Convert to fraction form
   712,119,111.58/1,068,081,697.52 = 187,444,278/x
3. Step 3: Cross multiply
   712,119,111.58x = 1,068,081,697.52 × 187,444,278
4. Step 4: Simplify right side
   712,119,111.58x = 200,205,802,636,650,784
5. Step 5: Solve for x
   x = 200,205,802,636,650,784/712,119,111.58
6. Step 6: Final answer
   x = 281,140,892.56