Finding the Fourth Proportional to 259,111,103.32, 357,573,339.49 and 141,636,898.90

Step by Step Solution

1. Step 1: Write the proportion equation
   259,111,103.32 : 357,573,339.49 = 141,636,898.90 : x
2. Step 2: Convert to fraction form
   259,111,103.32/357,573,339.49 = 141,636,898.90/x
3. Step 3: Cross multiply
   259,111,103.32x = 357,573,339.49 × 141,636,898.90
4. Step 4: Simplify right side
   259,111,103.32x = 50,645,578,932,892,648
5. Step 5: Solve for x
   x = 50,645,578,932,892,648/259,111,103.32
6. Step 6: Final answer
   x = 195,458,929.72