Finding the Fourth Proportional to 139,752,162.20, 209,817,200.10 and 88,733,826.20

Step by Step Solution

1. Step 1: Write the proportion equation
   139,752,162.20 : 209,817,200.10 = 88,733,826.20 : x
2. Step 2: Convert to fraction form
   139,752,162.20/209,817,200.10 = 88,733,826.20/x
3. Step 3: Cross multiply
   139,752,162.20x = 209,817,200.10 × 88,733,826.20
4. Step 4: Simplify right side
   139,752,162.20x = 18,617,882,967,444,024
5. Step 5: Solve for x
   x = 18,617,882,967,444,024/139,752,162.20
6. Step 6: Final answer
   x = 133,220,714.97